OpenTechnical

OT-2026-000073597

Publication integrity record

Four cup vacuum gripper, four 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-2026-000073597) never changes.

Identity and time

Publication numberOT-2026-000073597 · never reused
Internal UUID01a0ae92-efb9-74cf-b6d7-9da49b1d1223 · 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-2026-000073597
StatusPUBLIC

Content hashes

Canonical textd995cfd4abc99131dc5895df73d6c8254aca4b67fa7ae21aa006ccc6d4146de1
Markdown04722dc7b65e6b0a50609c7ddac5c1e36e054abcbf370eecf6cebcdab2bffcf5
PDF
Publication page4450005d769c688e0f3154c678ab9a8adba0c379038b5b23401c331a08820416
Manifestd41a664d08492340400156426e67659b1fc13c2c53df6e203d6fc70fe5bc5634

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
SignatureRAGAiBSKja5ZeKLQYNBncDjfDg4EWQIPuLCZhbmsXIOB68PbMtmbcJwvciE216AOic9yGCvazEC+gqD07twdDQ==
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

2026-09-17T10:21:46.722987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073597
observed 4450005d769c688e0f3154c678ab9a8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:46.705318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073597/manifest.json
observed d41a664d08492340400156426e67659b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:46.687317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073597/publication.md
observed 04722dc7b65e6b0a50609c7ddac5c1e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:46.669013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073597/publication.txt
observed d995cfd4abc99131dc5895df73d6c825...
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.