OpenTechnical

OT-2026-000034883

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000034883) never changes.

Identity and time

Publication numberOT-2026-000034883 · never reused
Internal UUID01a0ae76-1ed3-7764-a555-dfb351fcce2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034883
StatusPUBLIC

Content hashes

Canonical text19b6b499f7bef598c5c6b993ccfb0d8f511d1287cb21ad38dc5a8f2ae51adf8c
Markdown6a76daf60877d968fc001623b02cd67a78b4b7514ecdc6c29aaf52cc2827c521
PDF
Publication pageb7e7111239f36108ffd39627c62e9ac098bcf3e25fa229a0c8df00e8d31109aa
Manifesta4841db68f4786558ed23315056dbe9c34450d6fff1c602bcd377558a1a76240

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
SignatureJeKOwb7KGeu1QhyziW9Kj5sm0ZX1R4nN925Ijo2G1MNtINag8Xl8cgPQ2LxMK2fWBPzthsvuPoJ3QKKq3l2xBQ==
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

2026-09-17T11:30:32.350735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034883
observed b7e7111239f36108ffd39627c62e9ac0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.333757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034883/manifest.json
observed a4841db68f4786558ed23315056dbe9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.317278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034883/publication.md
observed 6a76daf60877d968fc001623b02cd67a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.300319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034883/publication.txt
observed 19b6b499f7bef598c5c6b993ccfb0d8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:53.211723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034883
observed b7e7111239f36108ffd39627c62e9ac0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:53.194294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034883/manifest.json
observed a4841db68f4786558ed23315056dbe9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:53.177148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034883/publication.md
observed 6a76daf60877d968fc001623b02cd67a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:53.156972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034883/publication.txt
observed 19b6b499f7bef598c5c6b993ccfb0d8f...
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.