OpenTechnical

OT-2026-000010172

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, supply line pressure sensor, vented 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-2026-000010172) never changes.

Identity and time

Publication numberOT-2026-000010172 · never reused
Internal UUID01a0ae6b-cb7a-724e-96cd-8335f86bdf0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010172
StatusPUBLIC

Content hashes

Canonical texta6a56a499eb16c4234339d2bee3c3c2cb9497f7c03d093d8190f2427ee6cf030
Markdownb1a8a08e3f624a4e4bcfaab29c045624d3e2b030497f4b7e24c53029a778b0fd
PDF
Publication page543e138683b79692a539ac9715a0a9aeaf181b93dc28e12ed45d1c335ea61dd4
Manifest331eb9a9c0dbaf4eb2eb8cbde0c25656713a85a09be3ca124ec04f702f7c0f3f

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
SignatureejtgAvise6allI0JHb3ArwNCJ82u7AGBKRuGR6XGqhz/tTfxH8cw0E4cJ/kVWQa4h7CshTUqABwWq6Vs3b+UBQ==
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

2026-09-17T12:16:16.996221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010172
observed 543e138683b79692a539ac9715a0a9ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:16.976046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010172/manifest.json
observed 331eb9a9c0dbaf4eb2eb8cbde0c25656...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:16.957868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010172/publication.md
observed b1a8a08e3f624a4e4bcfaab29c045624...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:16.940709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010172/publication.txt
observed a6a56a499eb16c4234339d2bee3c3c2c...
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.