OpenTechnical

OT-2026-000077080

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000077080) never changes.

Identity and time

Publication numberOT-2026-000077080 · never reused
Internal UUID01a0ae94-f507-7d66-b539-c7ea42645357 · 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-2026-000077080
StatusPUBLIC

Content hashes

Canonical text2e75ac88d25c63c7df3032dd4b1ee431ea9e5dbc73229dbe1a3bc8c056d73736
Markdownd7a13a50a8630ac9a98d54f7decc8c753a5e879739c4180fe4f08e62533684be
PDF
Publication page0c5baa5e522495a27cce2df5fd26db084d6c5d46665cb10a7acc2544cf73c229
Manifest9b8b93f8fb55db74150720d9b763742674860ee1615a51a7ce329acf3d9e0212

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
SignatureA5j3ajCf1w6evTGKXGgHfjsdGa76pi1N1rcB8Vl8FfoRAJeszdgObr5p+lGy+lhEWDPZmrI8u9GgtdBU+fXYDQ==
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

2026-09-17T10:11:28.555135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077080
observed 0c5baa5e522495a27cce2df5fd26db08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:28.537120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077080/manifest.json
observed 9b8b93f8fb55db74150720d9b7637426...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:28.520211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077080/publication.md
observed d7a13a50a8630ac9a98d54f7decc8c75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:28.501470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077080/publication.txt
observed 2e75ac88d25c63c7df3032dd4b1ee431...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:32.194272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077080
observed 0c5baa5e522495a27cce2df5fd26db08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:32.176372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077080/manifest.json
observed 9b8b93f8fb55db74150720d9b7637426...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:32.158449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077080/publication.md
observed d7a13a50a8630ac9a98d54f7decc8c75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:32.139843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077080/publication.txt
observed 2e75ac88d25c63c7df3032dd4b1ee431...
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.