OpenTechnical

OT-2026-000062139

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, manifold 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-2026-000062139) never changes.

Identity and time

Publication numberOT-2026-000062139 · never reused
Internal UUID01a0ae8b-b8b0-7e9e-a674-01951896e984 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062139
StatusPUBLIC

Content hashes

Canonical text50c36a16a46eace48818bad84b88f375f235e8d05dc169fcccd3a7c370df5370
Markdownefe6664416f8d3ef9201d565e23dc8a4f16c041b7b85ae68ae31865661221dfe
PDF
Publication page266cb5879834c064a15c1750cb104c760dcee38b33fb6c812cfd6f897b8f06e0
Manifest43815a1b3270631b85ed5097ce177981cdf23665e5a11138f7bb1f2734be55cb

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
Signature8N7vYQLA9HdRSoKpEfFJo+6KD77kNgMJuLgyBRPNmVkP1Iv2fOPB4hFNlmhZgXM8eLnpjZgiyef9vTV40lUZCw==
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

2026-09-17T10:41:12.415228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062139
observed 266cb5879834c064a15c1750cb104c76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:12.399154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062139/manifest.json
observed 43815a1b3270631b85ed5097ce177981...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:12.383954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062139/publication.md
observed efe6664416f8d3ef9201d565e23dc8a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:12.366112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062139/publication.txt
observed 50c36a16a46eace48818bad84b88f375...
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.