OpenTechnical

OT-2026-000103845

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pulsed blow-off after set-down

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-2026-000103845) never changes.

Identity and time

Publication numberOT-2026-000103845 · never reused
Internal UUID01a0aea5-15e6-71bd-ad4f-521f99adb1da · 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-2026-000103845
StatusPUBLIC

Content hashes

Canonical text39f6773eb3155982a238c5bcf05cc9c4f05871f39780279410349f3e5947e08c
Markdown7d510b8de0c7ecc160eb83fc15a4fe100781f0dcf1639d26ee0d1ce5b5eaf2a4
PDF
Publication page37d47a7668ef1e023056e9491841ff85b2e73ec3161c5bc2e9921153f3f361d9
Manifest1584e4e9a3ff1542fc4295a25faf5b0b0af5f726f159425a739c57539f2dd544

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
SignatureWkuzgVvFBmAMOdMlEyp0yAyR/dNhdQAaZfn95cEb0mfuc/hvLSUqsuhOIoSTgsr5U30R5LspAvtTaf8Tlo3DDg==
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

2026-09-17T09:21:49.429145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103845
observed 37d47a7668ef1e023056e9491841ff85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:49.409617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103845/manifest.json
observed 1584e4e9a3ff1542fc4295a25faf5b0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:49.391921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103845/publication.md
observed 7d510b8de0c7ecc160eb83fc15a4fe10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:49.359456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103845/publication.txt
observed 39f6773eb3155982a238c5bcf05cc9c4...
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.