OpenTechnical

OT-2026-000100514

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, sustained blow-off 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-2026-000100514) never changes.

Identity and time

Publication numberOT-2026-000100514 · never reused
Internal UUID01a0aea3-66f0-7c3b-86de-c76078b46d6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100514
StatusPUBLIC

Content hashes

Canonical textaeaa85492d203e0bc6a92ac3ad2321a4a6b108fc84384a2da1a624edeb4e14d8
Markdowneea02c04a79b7168ce794b9d923c5d00ab8e14ee12e2a5ca5756719228327602
PDF
Publication pagef8a9153afb0ffbdde90bb11f51f0e725acc89eff803a499d47b210b1b6f2a8ca
Manifest057a2ccde37b79725cc0f7b751b80d51714c25f020b3af8dd437293dbb65c983

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
SignatureHs4rRj+v50sWfDhTE+O50eCl/AyyoO3321X0fY1rT59II5BdEPzhUqnArNdbRY5nrwz+ViEE8iLmIndOAcyIBA==
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

2026-09-17T09:27:16.844752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100514
observed f8a9153afb0ffbdde90bb11f51f0e725...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:16.827834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100514/manifest.json
observed 057a2ccde37b79725cc0f7b751b80d51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:16.812333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100514/publication.md
observed eea02c04a79b7168ce794b9d923c5d00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:16.794205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100514/publication.txt
observed aeaa85492d203e0bc6a92ac3ad2321a4...
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.