OpenTechnical

OT-2026-000032898

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, pulsed blow-off 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-2026-000032898) never changes.

Identity and time

Publication numberOT-2026-000032898 · never reused
Internal UUID01a0ae75-4842-754c-8150-2fcaac6c2933 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032898
StatusPUBLIC

Content hashes

Canonical text9383a051eeb08fe90bcd705b62d93f21f70bc95ab3efc12d1f56914e2040c3aa
Markdown6f8bce9533cc412b23ec2824e51fe704f5c704ae0b1c11c32b5213ce954ceea6
PDF
Publication page85371376fd61e8354a80f19fb93f4aaf7ff219fe4925f88a8e308e69383c6b84
Manifestc4753936fdb4579f6b48d153e66c23d875cf851b9e5db471b1238f62a7975588

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
Signaturedun6nCzBAmKrI7zpQbfEcXA/OcHoqnrth8eAoqjBAB7hU0aVkkMjnGZACLdWDqYZczBRBRavV6IDY78f90JtBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:32:29.140997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032898
observed 85371376fd61e8354a80f19fb93f4aaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:29.123386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032898/manifest.json
observed c4753936fdb4579f6b48d153e66c23d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:29.105029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032898/publication.md
observed 6f8bce9533cc412b23ec2824e51fe704...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:29.087712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032898/publication.txt
observed 9383a051eeb08fe90bcd705b62d93f21...
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.