OpenTechnical

OT-2026-000054426

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, supply line 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-2026-000054426) never changes.

Identity and time

Publication numberOT-2026-000054426 · never reused
Internal UUID01a0ae86-1282-7d34-b40f-7a9e2bd88356 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054426
StatusPUBLIC

Content hashes

Canonical text16367a20e53e2dbe6777f9d61188b5965a1a6fcf7cb8a4ca5eff6f0e41ebd22c
Markdown6ebf3a07c200591434c4752bc96be27aa7b765f1871236f006b082178b2af7fd
PDF
Publication page6b7c3c6c0f042713fb7aaac1a3c6a553315d49098d538db52ea66f02d55cbc05
Manifestbbf7f5c76ced7005b2314649cfbe5435b76ce74c9e1e9e4af67c199b73a74d15

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
SignatureEZFmyGQlNmazCouA5t31PprtGoQF8kS6lN3yeMl3POYwzO6dZjpgI2k5KprMur/w5KC+NmAMGL20+zaoPmOrAw==
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

2026-09-17T10:53:23.297404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054426
observed 6b7c3c6c0f042713fb7aaac1a3c6a553...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:23.278706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054426/manifest.json
observed bbf7f5c76ced7005b2314649cfbe5435...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:23.263348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054426/publication.md
observed 6ebf3a07c200591434c4752bc96be27a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:23.245628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054426/publication.txt
observed 16367a20e53e2dbe6777f9d61188b596...
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.