OpenTechnical

OT-2026-000016811

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000016811) never changes.

Identity and time

Publication numberOT-2026-000016811 · never reused
Internal UUID01a0ae6e-5919-7de3-a3dc-58dbd3f71727 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016811
StatusPUBLIC

Content hashes

Canonical text1901da95b9975679ee643bfbba2353c6f59687f0c76e3ca8b4aa8f7db31d0e72
Markdown0ea792628a1b65b8a1eda1314521660a69a07138f3b4f259d1e27715cfc3b55c
PDF
Publication page049b060e3b0218925998685af9546aa9087335436943750a60087d87ffb88dbd
Manifestb8382d2ab2c15f25bd1f092fe68cb62dba6994a8cb92a34648afb6e4ed755241

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
SignatureK4PLk3vccVHiFDIP8aGSug9bx+miSAtY6f+gY3JHeQBSdjp1wmFryOQLFbP/1l8CnRkynp+84uS92rROZsuFCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T12:03:03.933006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016811
observed 049b060e3b0218925998685af9546aa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:03.917288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016811/manifest.json
observed b8382d2ab2c15f25bd1f092fe68cb62d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:03.900124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016811/publication.md
observed 0ea792628a1b65b8a1eda1314521660a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:03.881982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016811/publication.txt
observed 1901da95b9975679ee643bfbba2353c6...
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.