OpenTechnical

OT-2026-000032940

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000032940) never changes.

Identity and time

Publication numberOT-2026-000032940 · never reused
Internal UUID01a0ae75-4842-7124-9605-a537567d23b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032940
StatusPUBLIC

Content hashes

Canonical text79f205672d18fbd1522fcaa1a8df6e35f393976cea5594471f54ecbbd84dd9b4
Markdown5ef7777eeeaede064994066ce930a2d3904280319e5a612a7ba04b796c68b162
PDF
Publication page8d1931dcf49d60608768fe4f7b416c4164af210bb5713bac0292ea5b6837035e
Manifest191ae8c7bc6861d5b7db2d0be0d9aca3e6f9ce4f515955b222cc4d4b1035ee96

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
SignaturebtLUbwImOT9HHIsiA++suyG625VcawZh9VmvHoo+7Vb6B689e1MlOzTek7WNZ7j/ENAtqq/N475wYSP9tiiYDQ==
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

2026-09-17T11:32:32.420444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032940
observed 8d1931dcf49d60608768fe4f7b416c41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:32.401561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032940/manifest.json
observed 191ae8c7bc6861d5b7db2d0be0d9aca3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:32.381038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032940/publication.md
observed 5ef7777eeeaede064994066ce930a2d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:32.362378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032940/publication.txt
observed 79f205672d18fbd1522fcaa1a8df6e35...
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.