OpenTechnical

OT-2026-000054967

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000054967) never changes.

Identity and time

Publication numberOT-2026-000054967 · never reused
Internal UUID01a0ae86-5e80-70ed-b339-44bee2583d95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054967
StatusPUBLIC

Content hashes

Canonical textff474967b12c0d93da419fee5988d896fc71ab986d4b1ac0daf2b110dfc583ea
Markdown8d9049b82802bbea90b863bd3ea75d20f2c41894ac0d62d6b63d3109bdbd5e05
PDF
Publication page829cd7add422c43a93cf7d82a9450b455758b452c320151cd1de2a6ba64d1a10
Manifestc9fbd3ef6c265e194f311e2bd77ca6d47b0632647550de5d3798753b0caf4959

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
Signaturem3U618RkFNYyk2WUlRWoaj2o6/jTp2WHcwjkb2otsG7+MpylitqDdHVaGHIfBF43USFD9c7+2nCeFSOLvbhwDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:05.042342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054967
observed 829cd7add422c43a93cf7d82a9450b45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:05.023058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054967/manifest.json
observed c9fbd3ef6c265e194f311e2bd77ca6d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:05.005817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054967/publication.md
observed 8d9049b82802bbea90b863bd3ea75d20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:04.986532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054967/publication.txt
observed ff474967b12c0d93da419fee5988d896...
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.