OpenTechnical

OT-2026-000076645

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000076645) never changes.

Identity and time

Publication numberOT-2026-000076645 · never reused
Internal UUID01a0ae94-b06e-7cae-8a63-4b7866129818 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076645
StatusPUBLIC

Content hashes

Canonical text511d5e4275b5dea1821440e70cbc93f0ca3fd5de11d7fd50fd392dde639ebd73
Markdown64e1113459e5bddc30ebb62fbb82634ef778e5eb95c02df2b088059600141b6b
PDF
Publication pagea472ba8d91f81a97dc2d648fc5cef41b758bec888dd04f8c3161ed75e0f4a146
Manifest5a85517bfc2b9709de1e5acc1339aed69efb2d53da0da8725ff1eb64e804aea6

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
SignatureM8GnLqczDQobICEEiijx2Ae2vm+IoN/Msi8QlmWVaCPd+cRjaw9XWSl40MQKXYpIZS8KzX+7b0WvzULO1o4SDQ==
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

2026-09-17T10:09:23.198926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076645
observed a472ba8d91f81a97dc2d648fc5cef41b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:23.179992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076645/manifest.json
observed 5a85517bfc2b9709de1e5acc1339aed6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:23.082026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076645/publication.md
observed 64e1113459e5bddc30ebb62fbb82634e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:22.999526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076645/publication.txt
observed 511d5e4275b5dea1821440e70cbc93f0...
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.