OpenTechnical

OT-2026-000053514

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, 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-2026-000053514) never changes.

Identity and time

Publication numberOT-2026-000053514 · never reused
Internal UUID01a0ae85-0a92-7ab4-a04b-641876c53e8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053514
StatusPUBLIC

Content hashes

Canonical text15a2870ccd88e72d7eb7451d2bec0370230014f222f323d3c66ea5319ab3a33f
Markdown582f8666703f01d218160e0104401c179b0b0ce65d4c82671baee8791457480f
PDF
Publication page8ffa501b41fc0dc685b6949b2fe63c128611e051e2b7597e72cfe7e38ef44e12
Manifestbfeaa138e5d44c8c02c17d0f2439e9d99df6fadb8d8410deec633589ab04a0ba

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
SignatureO3t1miEiAb1YHIIfNgqiR9Fan+X/y8QNdPj/3l54vY+GSMnQWQ0Kio2/7tRrG/mQ4ihMyZXz406ooQ/g9fQ7CA==
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

2026-09-17T10:55:21.637674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053514
observed 8ffa501b41fc0dc685b6949b2fe63c12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:21.619857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053514/manifest.json
observed bfeaa138e5d44c8c02c17d0f2439e9d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:21.603101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053514/publication.md
observed 582f8666703f01d218160e0104401c17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:21.584828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053514/publication.txt
observed 15a2870ccd88e72d7eb7451d2bec0370...
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.