OpenTechnical

OT-2026-000104107

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single 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-2026-000104107) never changes.

Identity and time

Publication numberOT-2026-000104107 · never reused
Internal UUID01a0aea5-341f-7be4-9c9b-12ca4522c356 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104107
StatusPUBLIC

Content hashes

Canonical text34491e7d5bdb79a24ae651f758c90d138a78d336693786fa280a2838623c3ad9
Markdown72904f45224e94ae4e6bb52e4f7ce71502dd8d79a729a2857af9bbad8820ac47
PDF
Publication page8444f5d13e87ce3e85eb2494458dde473af26de628aa3d44ec1875a9166ee44c
Manifest4baedf22d29f23508062e994a79474989d6635c278ac670d4a6bff1c6d4e0c91

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
Signature35x7sYHwiTYhdQK+hxyb6WdAqH6SguoPr6TxERhCMJydW1OkgbSB0nHCsBi1iI8VrrkjmPHpfPzvtxHkemGqAA==
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

2026-09-17T09:20:10.902015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104107
observed 8444f5d13e87ce3e85eb2494458dde47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:10.884357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104107/manifest.json
observed 4baedf22d29f23508062e994a7947498...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:10.866798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104107/publication.md
observed 72904f45224e94ae4e6bb52e4f7ce715...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:10.847982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104107/publication.txt
observed 34491e7d5bdb79a24ae651f758c90d13...
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.