OpenTechnical

OT-2026-000014389

Publication integrity record

Four cup vacuum gripper, four 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-2026-000014389) never changes.

Identity and time

Publication numberOT-2026-000014389 · never reused
Internal UUID01a0ae6d-b27a-70aa-ac93-42476b3da21d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014389
StatusPUBLIC

Content hashes

Canonical text65296b00ffe141a9b54681d08d77fe393b658aef4e12263b7580fb512a7e6013
Markdown96a583709cdb234f17cfbcfc67c75ae6cc034151db474e84c3bc2a95f5c8585b
PDF
Publication page20795b02023e6cef33914055939853197de23d7a0ecad292c3270406d5b2e70a
Manifesta0badb434ba13f15211107bded46544817bac13768013873057bb880e19d8627

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
SignatureIsZRY4zy/Gj+ufdEkEVmgdF9pQbS77/56nmSVzmOjmQOV5GKXekflrrY93cgXgLxK8eKbdwybnJTaxvDCUQ7BQ==
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

2026-09-17T12:10:08.693621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014389
observed 20795b02023e6cef3391405593985319...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:08.674161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014389/manifest.json
observed a0badb434ba13f15211107bded465448...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:08.654829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014389/publication.md
observed 96a583709cdb234f17cfbcfc67c75ae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:08.635550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014389/publication.txt
observed 65296b00ffe141a9b54681d08d77fe39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:14.610946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014389
observed 20795b02023e6cef3391405593985319...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:14.591357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014389/manifest.json
observed a0badb434ba13f15211107bded465448...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:14.574301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014389/publication.md
observed 96a583709cdb234f17cfbcfc67c75ae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:14.555992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014389/publication.txt
observed 65296b00ffe141a9b54681d08d77fe39...
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.