OpenTechnical

OT-2026-000076884

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000076884) never changes.

Identity and time

Publication numberOT-2026-000076884 · never reused
Internal UUID01a0ae94-b070-7c67-a019-5f13ad351a70 · 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-2026-000076884
StatusPUBLIC

Content hashes

Canonical text3eebddd6594cd04fe7a29fff2cbd6c86cdd94f2266cefd7833fe0e5cd8192268
Markdown64027d8121b88f00763319360025370a7260767f029a01e3d2b787d925345a23
PDF
Publication pagedd0ba5af18aa760a0e5307adb1af8f2d118bac1e481ca7c154e091e87b931d1b
Manifestdc83a7918158ffb4b213f57b3805b1462126778f829b8ec309d37ed66fd0b582

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
SignatureuvbbggDbN2uMahOvhWRUwDHwR/eQyatZHwJOklo8GaEsjl98hkwraQPz+qgtj/x7qJK9wtGjgd0xDKUU0dv9Ag==
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

2026-09-17T10:09:47.265666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076884
observed dd0ba5af18aa760a0e5307adb1af8f2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:47.246564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076884/manifest.json
observed dc83a7918158ffb4b213f57b3805b146...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:47.228476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076884/publication.md
observed 64027d8121b88f00763319360025370a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:47.210420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076884/publication.txt
observed 3eebddd6594cd04fe7a29fff2cbd6c86...
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.