OpenTechnical

OT-2026-000099192

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000099192) never changes.

Identity and time

Publication numberOT-2026-000099192 · never reused
Internal UUID01a0aea2-8288-70b8-acbe-1816b0bdc2b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099192
StatusPUBLIC

Content hashes

Canonical text75d11295e158d7cbd2435ef04fb677992969d587b83e50722b8b181f2bc5d977
Markdown27689e4d9a1d4f6918c5693abe6d5bb84cf3fbd673597d9f08592f8fca28da09
PDF
Publication page6a01774471558d3db68984781370103553d2a8664b44a8c21b99a0b40c79a673
Manifest80cf8cafa5aaf83f73b1fadad59fc860b53e313d9a76b849a8c76e58aca5a66d

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
SignatureRhPTyvamFttnJuOuMCFba3zwKjG3t25Rne/LAILXlkTAibxpkyfa3Q+g1tlBMz0kiUiwclfOgk7gr0KLUt88Bg==
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

2026-09-17T09:30:34.914718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099192
observed 6a01774471558d3db689847813701035...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.897235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099192/manifest.json
observed 80cf8cafa5aaf83f73b1fadad59fc860...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.878931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099192/publication.md
observed 27689e4d9a1d4f6918c5693abe6d5bb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.858932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099192/publication.txt
observed 75d11295e158d7cbd2435ef04fb67799...
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.