OpenTechnical

OT-2026-000060782

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, 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-2026-000060782) never changes.

Identity and time

Publication numberOT-2026-000060782 · never reused
Internal UUID01a0ae8a-b7d0-7cb1-ae25-6d3b2977942d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060782
StatusPUBLIC

Content hashes

Canonical text5cfef513b510696d47491cdd1fae88cb29d8df5053773101fe67ecd052f2c6f3
Markdown276497253c548260060c43c996a840b49aa63144c59caa6b71b59fb1feec6977
PDF
Publication page4f02928a1a11b159e7c8b4da49ab6e4b2b25980ff9b503bee147497080e50b3a
Manifest561c9c2472eea9a44916dd528c1790f15b02c1fd5b816c5cdff4b8c91a0b70a9

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
SignaturegSbjaLiWPeT6iLxx0QDCICRjPhXXdNWUkIb+ybF4CqOf9IL6kvFwUYtWIAOW6kOrPl4TnPLcopCGo+zFJ1ZGBQ==
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...

Independent retrieval

2026-09-17T10:43:31.570797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060782
observed 4f02928a1a11b159e7c8b4da49ab6e4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:31.553577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060782/manifest.json
observed 561c9c2472eea9a44916dd528c1790f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:31.537199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060782/publication.md
observed 276497253c548260060c43c996a840b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:31.517690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060782/publication.txt
observed 5cfef513b510696d47491cdd1fae88cb...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent