OpenTechnical

OT-2026-000022804

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed 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-2026-000022804) never changes.

Identity and time

Publication numberOT-2026-000022804 · never reused
Internal UUID01a0ae70-46ea-70e7-84c4-fb7441362eb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022804
StatusPUBLIC

Content hashes

Canonical text2cd4bb3d25aebe53b3e1c2ed43881d05832a136e3985feb88708910eac47c66f
Markdown941857e523c2e2a9d17b16fe844c709380b9bee339ba72ec0ba454576d4b000b
PDF
Publication page0915439c027b9afa9c30c9f76c0a5f54da51214d3a93407202ade158cfda8fb2
Manifestf3aff79a033e44cfc686d7d597531c2cd023d8dc26592f0dee335f6c78820459

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
SignatureP8VEQvQ/gII8Z0KcC8/6X3izSrbsvpyf50LovSyMobN5tuFLZZRCwMNR0sBuIiOrgPJET7bipFFASUAre2RLCg==
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

2026-09-17T11:52:19.759679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022804
observed 0915439c027b9afa9c30c9f76c0a5f54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:19.741134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022804/manifest.json
observed f3aff79a033e44cfc686d7d597531c2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:19.720553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022804/publication.md
observed 941857e523c2e2a9d17b16fe844c7093...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:19.702500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022804/publication.txt
observed 2cd4bb3d25aebe53b3e1c2ed43881d05...
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.