OpenTechnical

OT-2026-000072523

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, 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-2026-000072523) never changes.

Identity and time

Publication numberOT-2026-000072523 · never reused
Internal UUID01a0ae92-89d8-727d-bff6-f6e5462c0b74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072523
StatusPUBLIC

Content hashes

Canonical textde768dffe9e53e4bb73e315d3ff291ef28e2581d8dbade56f34dd270d4125a75
Markdown0c1786a78a226ef7b9a0f3af06ead85377a417f8724d1571bfbb6a2c7d7973a5
PDF
Publication page9f589a0c06b94d582e0cc6b29490a55ec8aabba29de634b3f63d6bee89c0a9c1
Manifestc5bc75ac6a6ced478d7ec75d29a3d18587ee4f5fbf65b3a7a068e1b6fc13034c

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
SignatureLpVIbq+7sfDHouX+fejtk9Sdp8ZDGfNXVZ1gn49osAmAWL4vz82aIHduv0VDemckI8qjq2J1sLHmBmJozsEvBw==
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

2026-09-17T10:22:21.291978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072523
observed 9f589a0c06b94d582e0cc6b29490a55e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:21.272721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072523/manifest.json
observed c5bc75ac6a6ced478d7ec75d29a3d185...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:21.254566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072523/publication.md
observed 0c1786a78a226ef7b9a0f3af06ead853...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:21.233637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072523/publication.txt
observed de768dffe9e53e4bb73e315d3ff291ef...
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.