OpenTechnical

OT-2026-000056492

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, sustained 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-2026-000056492) never changes.

Identity and time

Publication numberOT-2026-000056492 · never reused
Internal UUID01a0ae87-7af4-770d-84bd-3c77e1422629 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056492
StatusPUBLIC

Content hashes

Canonical text920c4824af17346b0523f2a833931545a6a1f338189d290abaa1e08868ba1304
Markdown060d251483d23576c24644bc26eaf5785558004352b2d4e47bbba0f603c312cf
PDF
Publication pageb199f72812bd9774ae163c569619f76516bbaa5bfefe3645cf7745b4ddacac7c
Manifest489ffa2a03fa703c1bfe51e796061f7ea6eb324d169cb7a4cbe489b65253e729

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
Signaturec5U/ZxHPr4e6wGl2+wioNm8tCkR4X1kVLj6C/64j6sES3QD8zsts9eOv/4JUuF4yHOroqHMaxbcDIG6P4vzPCw==
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

2026-09-17T10:49:48.518499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056492
observed b199f72812bd9774ae163c569619f765...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:48.500592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056492/manifest.json
observed 489ffa2a03fa703c1bfe51e796061f7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:48.481766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056492/publication.md
observed 060d251483d23576c24644bc26eaf578...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:48.464179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056492/publication.txt
observed 920c4824af17346b0523f2a833931545...
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.