OpenTechnical

OT-2026-000097851

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000097851) never changes.

Identity and time

Publication numberOT-2026-000097851 · never reused
Internal UUID01a0aea1-92f6-79ab-9d32-6682a48d5577 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097851
StatusPUBLIC

Content hashes

Canonical text555869b86286feb7cb13d3bc6195864a7b0221c0741cbd79722098ad6b96f55f
Markdown7abc4bd1291b75e1140da54bc4d2c4e52efa745c5d9b7eb320c45a386a3b443a
PDF
Publication page725dabdadcb26000c002f0ab952e02d54c1d44d9736f2e6d4b7b8fa8c976091b
Manifest753a674073d4751f53c180d2e4f2f3ce00d6e41bc056140ab58e1f5efa87dd29

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
SignatureD9ZSJMbqjcjbsJXSh245UnjvW6R+8BSmkun+lx0nnslWFW7UV2Xvr6SsMUDwjrKbYqkDGA5J1sDxYpmT1M8TBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:57.436029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097851
observed 725dabdadcb26000c002f0ab952e02d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:57.417188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097851/manifest.json
observed 753a674073d4751f53c180d2e4f2f3ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:57.398903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097851/publication.md
observed 7abc4bd1291b75e1140da54bc4d2c4e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:57.380153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097851/publication.txt
observed 555869b86286feb7cb13d3bc6195864a...
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.