OpenTechnical

OT-2026-000073161

Publication integrity record

Foam pad vacuum gripper, two zone face, six 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-2026-000073161) never changes.

Identity and time

Publication numberOT-2026-000073161 · never reused
Internal UUID01a0ae92-efb6-70e2-9597-a3e29e42ea4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073161
StatusPUBLIC

Content hashes

Canonical texte8bf338823d054e1217438223ec7caa7a8fd6ff7e239aa63daf3cf200ace9d8c
Markdownc9f876c5f65ded4be416d59f7a63bf3a640a69a6db0ad7f874522853792eed97
PDF
Publication page9802492c5824332d92386e6d46036cfb2d6cd5a931c6c8520ff65f7bf6e00831
Manifest064c0f956bd3e5b9c8bd8a4e75082c1263ec8a1bdb59c00f53fd3b961e183a4b

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
SignatureYLjZ3anKnalUKrpjVNMEwny/ooQ1bLSWQ3387KwnRUqgNm1El1ALY4UEuJjH7mKtJTsQyMD9RpB0RdKGamHACA==
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

2026-09-17T10:21:06.263124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073161
observed 9802492c5824332d92386e6d46036cfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:06.246401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073161/manifest.json
observed 064c0f956bd3e5b9c8bd8a4e75082c12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:06.228795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073161/publication.md
observed c9f876c5f65ded4be416d59f7a63bf3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:06.208218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073161/publication.txt
observed e8bf338823d054e1217438223ec7caa7...
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.