OpenTechnical

OT-2026-000054669

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000054669) never changes.

Identity and time

Publication numberOT-2026-000054669 · never reused
Internal UUID01a0ae86-1284-7ec3-8d23-43c48cc41d17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054669
StatusPUBLIC

Content hashes

Canonical text6ffb4b14cc48d450ead9b611252d60ccefe5cda82c81e36486bfdabdfa5d07d6
Markdowneb5d2e0840992b94ba4de9944dd0d679c3fed2b69fda1eee0c22025d54f5efa6
PDF
Publication page0ea18b5444f7adba94b82993b21074f23ce46c01e72855d5f27c2005e667b571
Manifest07d3438c489bf6603422e9fee11e55aecd11f2b44a6ac6f7571aa5d5505d81ed

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
SignaturecHdYb+13dsvAdc5RJ02UCIhiY3OEHq7gfYDccCowHevqT9TbYiwqcGL3ReKxyPrA0qu94gmVNc0tPu/A3eEOCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:44.634053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054669
observed 0ea18b5444f7adba94b82993b21074f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:44.615776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054669/manifest.json
observed 07d3438c489bf6603422e9fee11e55ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:44.596315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054669/publication.md
observed eb5d2e0840992b94ba4de9944dd0d679...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:44.578932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054669/publication.txt
observed 6ffb4b14cc48d450ead9b611252d60cc...
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.