OpenTechnical

OT-2026-000102255

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, pulsed blow-off 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-2026-000102255) never changes.

Identity and time

Publication numberOT-2026-000102255 · never reused
Internal UUID01a0aea4-50f3-7706-959f-a8022ab12b85 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102255
StatusPUBLIC

Content hashes

Canonical text6127661727c21429e78125c81ef0a9593ca2f966329dda4ecc90f8a383ce05d6
Markdowne41dc7e6e244e78b8f10ebc6acb7319c8c039225b6c5653e811c0f68c821d5ee
PDF
Publication page8386704f7ffae325b8f03c32f5cdb9b5fa7d5c67d8282b3bcc81d9a29a455711
Manifest958863113852830a52f08bb98dc860d25d4eb091d662e1063a25e020d35fc641

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
SignatureL9jrd0Kgywp8KUdenIJw974+rYJeGMyTQA2qzp8qNW0Z1G8zZm6ss/mIfeVMsqc7TcqNu84mKIVY6BihDiDVDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:26.298259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102255
observed 8386704f7ffae325b8f03c32f5cdb9b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:26.280418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102255/manifest.json
observed 958863113852830a52f08bb98dc860d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:26.264422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102255/publication.md
observed e41dc7e6e244e78b8f10ebc6acb7319c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:26.247651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102255/publication.txt
observed 6127661727c21429e78125c81ef0a959...
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.