OpenTechnical

OT-2026-000087876

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, single stage ejector, supply line pressure sensor, 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-2026-000087876) never changes.

Identity and time

Publication numberOT-2026-000087876 · never reused
Internal UUID01a0ae9b-1aa5-77b0-a1b4-d1f5fb42e17c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087876
StatusPUBLIC

Content hashes

Canonical text07fa5235c448a80987e5ef40060fd45bb56966f0bae455693f3481b5c49bd4f9
Markdown84b63ec11fefdc695a47821585515a2b01516e150b7b07def4089d6f75333653
PDF
Publication page379b650aac51a906a12cf2f88d3c2621a49bfbe81cb1faa8a4bc3a3e2b26b4a8
Manifestdb5f42cc130e9a1983dd72dcd34ccfe1e80fa12df28d20b773eaaa7015ac4bf1

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
SignaturewJePCUsdysKxM36yyuTyU6XqbQh0hNQktE3+7mc/w9f3613GA59toQjVOMibI+jPEyOGJy40wuAg8vs7Eu2zCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:49:08.277674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087876
observed 379b650aac51a906a12cf2f88d3c2621...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:08.255862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087876/manifest.json
observed db5f42cc130e9a1983dd72dcd34ccfe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:08.235997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087876/publication.md
observed 84b63ec11fefdc695a47821585515a2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:08.214405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087876/publication.txt
observed 07fa5235c448a80987e5ef40060fd45b...
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.