OpenTechnical

OT-2026-000073966

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, vented 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-2026-000073966) never changes.

Identity and time

Publication numberOT-2026-000073966 · never reused
Internal UUID01a0ae93-2b8e-7e91-b5bb-2eb8411dc61c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073966
StatusPUBLIC

Content hashes

Canonical text69ca1186be93c615129ffeaebe8d0c9d4c22f9d8da82f59c3144754dffe5c7e6
Markdowndf2d730b08936bc00c174726123f3855908ca67743c9477c3f90d2f0ca022625
PDF
Publication page2274ac8174ad3157d6657391dc1dab7b592dae46b3dd83d72d44a91b5c96e84f
Manifestfc0d29272403d55c644695fd8ebb23b68f0b6e4a77d932956205031e454c3fa6

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
Signature5KSE3S+GPoZCpylB4E+h4m70N7RaD+odGOUNoxZjPaK5QyFJxl66xx6I8IWe0M+WNw6B4WBXdKdbpfPLw3yoDg==
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

2026-09-17T10:19:46.733360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073966
observed 2274ac8174ad3157d6657391dc1dab7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:46.715234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073966/manifest.json
observed fc0d29272403d55c644695fd8ebb23b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:46.696346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073966/publication.md
observed df2d730b08936bc00c174726123f3855...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:46.677003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073966/publication.txt
observed 69ca1186be93c615129ffeaebe8d0c9d...
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.