OpenTechnical

OT-2026-000104001

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000104001) never changes.

Identity and time

Publication numberOT-2026-000104001 · never reused
Internal UUID01a0aea5-15e8-775d-b424-387737df2847 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104001
StatusPUBLIC

Content hashes

Canonical text02dc41a2fa0ea76768a6b01d1b2751510b8557353406e3ad96ca8d454bdc4ba6
Markdown0e231fece449fd27b8b83cb89b0980d65c75c59c61755fb61dcfa06c6c32a103
PDF
Publication pageca0373bc8d435e2abb6274159ac1a88c64334d48f4c583397cf0463dd9bd4ae9
Manifest43d044b97c48131fa489fc0fe22ac11581b21cd357d093079da4149bd40de085

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
SignaturetLy/U6g/MHnfGZzYCnY9P13eDEyPnI8MqomYqtFoGHW42vbS5sFtSln5qNlqRvJEEuXWw0pZ6iwOWzgPfVaKAg==
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

2026-09-17T09:22:00.554704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104001
observed ca0373bc8d435e2abb6274159ac1a88c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:00.538216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104001/manifest.json
observed 43d044b97c48131fa489fc0fe22ac115...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:00.520289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104001/publication.md
observed 0e231fece449fd27b8b83cb89b0980d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:00.503566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104001/publication.txt
observed 02dc41a2fa0ea76768a6b01d1b275151...
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.