OpenTechnical

OT-2026-000077118

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000077118) never changes.

Identity and time

Publication numberOT-2026-000077118 · never reused
Internal UUID01a0ae94-f507-7ef0-9ef2-855129330a5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077118
StatusPUBLIC

Content hashes

Canonical text8ef1bfff5976b7b4be2f2e6e25798ed6b43a59637b6252ed74fc821b2fd1207c
Markdownf923e939f9598dcf860881444c3f49c31a884739a3ac9668f96d289a9a67b1fc
PDF
Publication page2c07fa1c0257c7228f60d8d0680733e4a641386d6a26ce8d461974bb2a090c9d
Manifestfce41c6f33813524bf43204eedb5e67175c8df9d7b2d0d1eda98c69175dcbe15

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
Signature24Gj3Gny8Z7FTzhHWg5izdBgfeAx9b6m+WFdNaCT4wC6t9cZ1m1z1hLqQ35MAvhD+4UEUp5tNK1PT29KuW0VDQ==
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

2026-09-17T10:11:37.022614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077118
observed 2c07fa1c0257c7228f60d8d0680733e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:37.001034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077118/manifest.json
observed fce41c6f33813524bf43204eedb5e671...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:36.981588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077118/publication.md
observed f923e939f9598dcf860881444c3f49c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:36.963412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077118/publication.txt
observed 8ef1bfff5976b7b4be2f2e6e25798ed6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:35.172435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077118
observed 2c07fa1c0257c7228f60d8d0680733e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:35.154755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077118/manifest.json
observed fce41c6f33813524bf43204eedb5e671...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:35.135983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077118/publication.md
observed f923e939f9598dcf860881444c3f49c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:35.117051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077118/publication.txt
observed 8ef1bfff5976b7b4be2f2e6e25798ed6...
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.