OpenTechnical

OT-2026-000057391

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000057391) never changes.

Identity and time

Publication numberOT-2026-000057391 · never reused
Internal UUID01a0ae87-d5bd-779a-ae21-92a9be941884 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057391
StatusPUBLIC

Content hashes

Canonical text359755b4dc42a6af98f6db5b221adf0ec134f2758e6dff24e0c65bb919395a2c
Markdown55ac0913d2a02ed34797203bafbe92b344a4d0f3fd134322c064c9414b387ed2
PDF
Publication page3d7f1ac4dafc7f36b8af17bce2d5b108a579112cce5fb20e81d248ce8fa15f98
Manifesta1c633d43a1231e2324aca71d396a8a0c603e19e0394e9efc172b269b182479b

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature9xmCTa4JNH3sGGo4pPsip8k5dPiyftdo68hMrPjGSaYPzfVEWLHqCHnR/PsncXiuKgZMxZqZUM8qiWuSIGTFAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:31.479820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057391
observed 3d7f1ac4dafc7f36b8af17bce2d5b108...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:31.459057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057391/manifest.json
observed a1c633d43a1231e2324aca71d396a8a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:31.440916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057391/publication.md
observed 55ac0913d2a02ed34797203bafbe92b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:31.421284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057391/publication.txt
observed 359755b4dc42a6af98f6db5b221adf0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:40.543859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057391
observed 3d7f1ac4dafc7f36b8af17bce2d5b108...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:40.525957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057391/manifest.json
observed a1c633d43a1231e2324aca71d396a8a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:40.508834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057391/publication.md
observed 55ac0913d2a02ed34797203bafbe92b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:40.491033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057391/publication.txt
observed 359755b4dc42a6af98f6db5b221adf0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.