OpenTechnical

OT-2026-000065989

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented after 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-2026-000065989) never changes.

Identity and time

Publication numberOT-2026-000065989 · never reused
Internal UUID01a0ae8e-8dc2-7ed8-9786-89cfb9404215 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065989
StatusPUBLIC

Content hashes

Canonical textbc5d66149e38c22ef83acc03f29f0c87499993657fdaa7bcfdefe57daa5c90e3
Markdown653982a38024ce4ba94efae01c88d32bd06f27793aefbcda2f62a1f53a96dfd8
PDF
Publication page7077022201cd2583bbc5cba40b27a2b09b882049a2ef6ea9459088ee79d2edbe
Manifestbf1e8d939b6d2702725539a403b9ab3bf8bf2881b9e68fd93e06db22b1565544

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
SignatureAsjsy5wiavt/wr2wKmQt9jgqzx58qb+Y4OpNFsKVMY/ZXHflpGkynO9u6AOLbUwrG1H8AtcgxVx6Sw6Da8f+CQ==
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

2026-09-17T08:50:29.577392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065989
observed 7077022201cd2583bbc5cba40b27a2b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:29.557816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065989/manifest.json
observed bf1e8d939b6d2702725539a403b9ab3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:29.538906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065989/publication.md
observed 653982a38024ce4ba94efae01c88d32b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:29.521118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065989/publication.txt
observed bc5d66149e38c22ef83acc03f29f0c87...
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.