OpenTechnical

OT-2026-000052599

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, supply line pressure sensor, pulsed 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-2026-000052599) never changes.

Identity and time

Publication numberOT-2026-000052599 · never reused
Internal UUID01a0ae84-573b-7995-ac19-2740e2a32c69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052599
StatusPUBLIC

Content hashes

Canonical text3ba316d16a7b5bfacf6af471e1503ae3ab56771b3642b4fd64efeb411b26a3ea
Markdownc79c63b077fe8564024ea3b896f9fff065a37c18d9a827b735e997c21ebef63e
PDF
Publication page990a305706c4009fda1b78ad2492b9c04b42990e8ca00dc256b9210e1d65fc2e
Manifest0601d6f86bd2e751a23a07e7572bb1f0d1bdd2f9c7517579c7540a34c77959ce

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
Signature5n4/YxnEW6MYgWj2Mwt1TW+Ej6rvcWW6Urp+gzT+gXURDVMcNO9c+rxalFs9Z/+OiyHLBs139zKDkAkAr2akBw==
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

2026-09-17T10:57:15.987329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052599
observed 990a305706c4009fda1b78ad2492b9c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:15.969761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052599/manifest.json
observed 0601d6f86bd2e751a23a07e7572bb1f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:15.952594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052599/publication.md
observed c79c63b077fe8564024ea3b896f9fff0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:15.934750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052599/publication.txt
observed 3ba316d16a7b5bfacf6af471e1503ae3...
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.