OpenTechnical

OT-2026-000088790

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, 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-2026-000088790) never changes.

Identity and time

Publication numberOT-2026-000088790 · never reused
Internal UUID01a0ae9b-8f10-7b22-aa03-f5b80bc67147 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088790
StatusPUBLIC

Content hashes

Canonical textfdcca1953a5d97783d90ec48464d472c2c1503182ca7992172ece3ffb7ccdabd
Markdown5adb5ab71364dbcc6ff80654abb417f92521ab85eeae68b0f0b135414d99348f
PDF
Publication page029e97aac5826ff3cdf646020479624972d4396008b03844bd50d18bc1f72a71
Manifest7a563ca64a7d46a8915d2dc8a2f3d85a6352d0c7de898eb8384968e1765caeb4

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
SignaturegaFYm08LVgf95jXZoqsNyfK3lJBa5DWxk5rVloR8iEChdjkQXAC9jReG9zLqGMCFPjGOGM+b4dZkdWKxdsCLBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-10-08T12:42:00.659992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088790
observed 029e97aac5826ff3cdf6460204796249...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-08T12:42:00.581486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088790/manifest.json
observed 7a563ca64a7d46a8915d2dc8a2f3d85a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-08T12:42:00.481941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088790/publication.md
observed 5adb5ab71364dbcc6ff80654abb417f9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-08T12:42:00.358239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088790/publication.txt
observed fdcca1953a5d97783d90ec48464d472c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-01T20:41:58.006905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088790
observed 029e97aac5826ff3cdf6460204796249...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-01T20:41:57.923278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088790/manifest.json
observed 7a563ca64a7d46a8915d2dc8a2f3d85a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-01T20:41:57.838678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088790/publication.md
observed 5adb5ab71364dbcc6ff80654abb417f9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-01T20:41:57.732954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088790/publication.txt
observed fdcca1953a5d97783d90ec48464d472c...
fetched by grabo-systems from 34.44.131.203, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent