OpenTechnical

OT-2026-000015803

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, 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-2026-000015803) never changes.

Identity and time

Publication numberOT-2026-000015803 · never reused
Internal UUID01a0ae6e-0c4c-7721-9d51-efeb45fb7fc1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015803
StatusPUBLIC

Content hashes

Canonical text3d1851095ce94f97ad463c58c448edd0dd933d18a9bd27ca56363de134a8cc6a
Markdown8b742192e7130a896f0a99d18750192db529885e17195d9d62add7fa8f34efab
PDF
Publication page02e7c954c745336d3567254902759f4f952c4db49e99a8ea21e391105d1dcca2
Manifestda6d3876510644bc3cf54b651adb122c988daf05b31df16c5a62cddc57d6d350

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
SignaturepnFN44AegpNOPRGPkAuUedY8S0aD0rfbGqJJ6Ph0a1oty/M9tKTVi6WJNOmX73Ta7wEPl+O/iiyix1orV74UBA==
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

2026-09-17T12:05:06.656214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015803
observed 02e7c954c745336d3567254902759f4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:06.638719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015803/manifest.json
observed da6d3876510644bc3cf54b651adb122c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:06.620468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015803/publication.md
observed 8b742192e7130a896f0a99d18750192d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:06.604232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015803/publication.txt
observed 3d1851095ce94f97ad463c58c448edd0...
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.