OpenTechnical

OT-2026-000060774

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-2026-000060774) never changes.

Identity and time

Publication numberOT-2026-000060774 · never reused
Internal UUID01a0ae8a-b7d0-7749-a1d3-264f4e0090c4 · 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-2026-000060774
StatusPUBLIC

Content hashes

Canonical text474537afb906261686d93840d830a5f98d77984e2556a798bff7f69910c15706
Markdown631cd3f299406cf066abc2aebf72e9897172cb8b7884b220e7e02fd268c783f9
PDF
Publication page6e86cb10b7d06405f1f0c121306dce1bfc0866299cce6f30859e6bd4cb3deb88
Manifestbbf7498083fb4163da74037902b3f4c3bd94b05178583543a4feea979eae3c37

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
SignatureHEKp/RFXw2SapxFfbecE74kKKhQofxW+XLY+myPmYZKHKze0u+KSUzchEOG5/5totUV0A+XHDWBjpGed+d59DA==
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

2026-09-17T10:43:30.964111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060774
observed 6e86cb10b7d06405f1f0c121306dce1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:30.944016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060774/manifest.json
observed bbf7498083fb4163da74037902b3f4c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:30.924755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060774/publication.md
observed 631cd3f299406cf066abc2aebf72e989...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:30.906158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060774/publication.txt
observed 474537afb906261686d93840d830a5f9...
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.