OpenTechnical

OT-2026-000067861

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, 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-2026-000067861) never changes.

Identity and time

Publication numberOT-2026-000067861 · never reused
Internal UUID01a0ae8f-c4fb-759f-b0aa-a07707e23b11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067861
StatusPUBLIC

Content hashes

Canonical texte420b386f1172c5d8f0666cfaf98d5f0f7af3baf83378de9f6826cc45a3eba39
Markdownf8b88582866fb0e3d0ba1b78443e75c7401f761f7d8d8b7d4d9b3e1d46afc094
PDF
Publication pagec51635280a6100f1b40a385d726f0c8f43ff466257c62b6e966b94032a5b2612
Manifest7f94d81c6c653e5b90b268d2f2dd42d201d0609af2c2db07980f99dea8dc853b

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
Signature06jOapxjnE5rQfRboKd+BZXdesQGomFfNGcJZ5J/b7aiqLHF934aNbFUXrJs0Z0XZPTaL6pYCrk3Y1YnE/zFDw==
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

2026-09-17T10:30:14.655506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067861
observed c51635280a6100f1b40a385d726f0c8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:14.637506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067861/manifest.json
observed 7f94d81c6c653e5b90b268d2f2dd42d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:14.615513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067861/publication.md
observed f8b88582866fb0e3d0ba1b78443e75c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:14.595135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067861/publication.txt
observed e420b386f1172c5d8f0666cfaf98d5f0...
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.