OpenTechnical

OT-2026-000083690

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, vented after 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-2026-000083690) never changes.

Identity and time

Publication numberOT-2026-000083690 · never reused
Internal UUID01a0ae98-0416-7d94-af48-20c4489ac058 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083690
StatusPUBLIC

Content hashes

Canonical text47b3336de163034a4b16f3894656e2c8d1db86a6b026c4f8e6d970c25e7612e5
Markdown7e1d0b616f6d2d86094161f6e5f0ac7dd5385fc9586e277acbc1f1c35ada3b99
PDF
Publication pagea26056253886ac4adc240da63ccd56d5cc67742719ce36f6faa0746a075db567
Manifestf2b43ebd1e9814e0c7c21d361666118cd191f152eccc0c07e34c33ab61fd558b

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
SignatureituPTolnsWh92/gBZV1TqEQJkQu3+X1ORmDBXhMPEJ3+vOFAVX/Zno3iWaoqjVbJ4mLl6kbNnYvm/IE6u83KAQ==
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

2026-09-17T09:57:19.029003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083690
observed a26056253886ac4adc240da63ccd56d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:19.012704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083690/manifest.json
observed f2b43ebd1e9814e0c7c21d361666118c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:18.971260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083690/publication.md
observed 7e1d0b616f6d2d86094161f6e5f0ac7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:18.927635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083690/publication.txt
observed 47b3336de163034a4b16f3894656e2c8...
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.