OpenTechnical

OT-2026-000031336

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three 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-2026-000031336) never changes.

Identity and time

Publication numberOT-2026-000031336 · never reused
Internal UUID01a0ae74-87ac-7920-9cc5-01331de86846 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031336
StatusPUBLIC

Content hashes

Canonical textc67bfe4552aaa63134a7d5ff92ac1c32991fe6fba37e7f143a7cee6bb61eb3f9
Markdowneb6c7a528710a05371101d9a6b385c95b80a1ef6c2b9a25a5b62dd098e22f000
PDF
Publication page20c4c2967cddc99ca5ae7e747c62009ff205b77433fa877c2b12e28be19c9b07
Manifestc777631dbb6c7e3ed6d1fdc7bf9728ead0b28e4cb5a424efc799b04a83d58659

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
SignaturelOfC8gp5F0v4S5o9/RUNb8uo02MZBgInxO8uxdmeziEhfa3foguALTiR5MQlkqgATqoTEG6pfChe7oygtfmWCA==
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

2026-09-17T11:36:01.858720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031336
observed 20c4c2967cddc99ca5ae7e747c62009f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:01.841018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031336/manifest.json
observed c777631dbb6c7e3ed6d1fdc7bf9728ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:01.822973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031336/publication.md
observed eb6c7a528710a05371101d9a6b385c95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:01.803718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031336/publication.txt
observed c67bfe4552aaa63134a7d5ff92ac1c32...
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.