OpenTechnical

OT-2026-000011431

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, vented 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-2026-000011431) never changes.

Identity and time

Publication numberOT-2026-000011431 · never reused
Internal UUID01a0ae6c-88fe-7b61-bf08-82b535e32d0d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011431
StatusPUBLIC

Content hashes

Canonical text3663e31c1dd61f1c198a110c54cf41bbac251132b778733065a6dca325592d82
Markdownde6cc4e2665182f0b5758fcc41487011b9b61b5944011b2794ae27d78ee36695
PDF
Publication page9b32c2af27bb488a8bdf436d98ee54ac054987a3f8acb85aa6456d158b792b8a
Manifest111e9f7e7ac49e44f22ca5e7c1584212b69bb2044ea4b279bab462594f808033

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
Signaturen7zMYbua2JpbzHE2kFVTIrFmDLMQBCdyaGcjT16SfVYIMKiw3TCLYdYnApWBjRZwjjWWoCT+EBINp5ACez5NCA==
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

2026-10-20T12:42:06.986183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011431
observed 9b32c2af27bb488a8bdf436d98ee54ac...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-20T12:42:06.926657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011431/manifest.json
observed 111e9f7e7ac49e44f22ca5e7c1584212...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-20T12:42:06.855690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011431/publication.md
observed de6cc4e2665182f0b5758fcc41487011...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-20T12:42:06.749186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011431/publication.txt
observed 3663e31c1dd61f1c198a110c54cf41bb...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-09T16:41:09.868246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011431
observed 9b32c2af27bb488a8bdf436d98ee54ac...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-09T16:41:09.785683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011431/manifest.json
observed 111e9f7e7ac49e44f22ca5e7c1584212...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-09T16:41:09.705445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011431/publication.md
observed de6cc4e2665182f0b5758fcc41487011...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-09T16:41:09.611392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011431/publication.txt
observed 3663e31c1dd61f1c198a110c54cf41bb...
fetched by grabo-systems from 34.44.131.203, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent