OpenTechnical

OT-2026-000052368

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000052368) never changes.

Identity and time

Publication numberOT-2026-000052368 · never reused
Internal UUID01a0ae83-e792-7384-8efa-5d0f2884675c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052368
StatusPUBLIC

Content hashes

Canonical texta5cbf2859117cacc8b1627d21e3263895884cab9eaedb7cee40d89e2ece862d3
Markdown22a20a18ce83d1675c2c07ea4602f5c2dfc0e0fe303715a67e6bbd25bbd514dd
PDF
Publication pagecae84607f3b328886d060ced509794aac2dc57ffd7d19a811ac730bd452ff681
Manifest95400ce229556fbc6d3ee30726b609e6101b4e9f9173cb5b5e16780e85aa5be6

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
Signatureq9GzhCcvGuzXUdP1UGjitruZgAuM5hVjYt+mAoswBin3DajmFFQVMzkRU4ER8+VA7Lf2byJV9JBgtqLkW3yuCA==
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

2026-09-17T10:58:04.074970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052368
observed cae84607f3b328886d060ced509794aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:04.054344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052368/manifest.json
observed 95400ce229556fbc6d3ee30726b609e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:04.033647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052368/publication.md
observed 22a20a18ce83d1675c2c07ea4602f5c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:04.013819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052368/publication.txt
observed a5cbf2859117cacc8b1627d21e326389...
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.