OpenTechnical

OT-2026-000030769

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000030769) never changes.

Identity and time

Publication numberOT-2026-000030769 · never reused
Internal UUID01a0ae74-3fb4-79f7-86b8-820f703267d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030769
StatusPUBLIC

Content hashes

Canonical text54e9b93956cac109ff97a251dcb15fa5bc7b6cdfdc02fe2e733d2be24509753c
Markdowna7191e4d1c42cd1d4391e13ff338766e4ee9dae7f942fb91817d1490c3a9090f
PDF
Publication pagea06a0ebd1d60d929fe5cb8521f1081fe2017bed5ae7594b6466a9ce23a249596
Manifest55a28d5bd4d1630e0d29f4ad8c433682c3d415391ef9c84ea418d0e998707f73

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
SignatureAyDsE2hbRfcrhYYEmu1k9rfavrIVUUeXV1J5PBBjxCITLhNk5nXPuZNnRJGtwh0/rW8XIRuIHZSylNZ0T1pEAQ==
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

2026-09-17T11:36:43.450782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030769
observed a06a0ebd1d60d929fe5cb8521f1081fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:43.433370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030769/manifest.json
observed 55a28d5bd4d1630e0d29f4ad8c433682...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:43.416381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030769/publication.md
observed a7191e4d1c42cd1d4391e13ff338766e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:43.398920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030769/publication.txt
observed 54e9b93956cac109ff97a251dcb15fa5...
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.