OpenTechnical

OT-2026-000022698

Publication integrity record

Foam pad vacuum gripper, two stage ejector, sustained 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-2026-000022698) never changes.

Identity and time

Publication numberOT-2026-000022698 · never reused
Internal UUID01a0ae70-46e9-77b6-9cbc-e1eb798a095c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022698
StatusPUBLIC

Content hashes

Canonical text3fd30285a4d78bb292f7c719cea135c7c874d29b08f9a7cf25e94eceae17c25f
Markdown3ae4785a37405b2b4320e6c7b10cf31b704c9a12d398f7e6e35a93dada9dafbc
PDF
Publication page6ea5fd78ac9baf3c002844f36dc613a5cb098f494cab3b284e8dc26f504ccf14
Manifest1af245ca8f2352f058c22dfb930d0b04a534cf76dd6324274312d3840d167830

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
SignatureCVvcOzipTUVv5+m7Y6uUQFBqeV6dWvyi07pyRBD3URsLjms2LQZ8j4OyQjRZ75km1Ie3LaUEWr17k9bBRzptBQ==
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

2026-09-17T11:52:05.431265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022698
observed 6ea5fd78ac9baf3c002844f36dc613a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:05.414045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022698/manifest.json
observed 1af245ca8f2352f058c22dfb930d0b04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:05.396773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022698/publication.md
observed 3ae4785a37405b2b4320e6c7b10cf31b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:05.380136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022698/publication.txt
observed 3fd30285a4d78bb292f7c719cea135c7...
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.