OpenTechnical

OT-2026-000095497

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000095497) never changes.

Identity and time

Publication numberOT-2026-000095497 · never reused
Internal UUID01a0ae9f-8f73-77f5-b8e1-10f18f0e782a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095497
StatusPUBLIC

Content hashes

Canonical text825bb24efd779aab242239b3f55e8df48a30261597558cfc1e70eeb69239118c
Markdownf22b554698265e08a28696d964a28be235b1ef023972f33780bcdd6307cc1153
PDF
Publication page8489ace7c77406ffb95ca92c9edcf408648da69882578975ef732f4d4925fcc7
Manifest98b5ea83ac987f27c107fed9e0c12d0abbd7fa6aff891c1cb3f0f50f5e7eb171

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
SignatureS0RxctqSRS8CzLXLfPN0yqORsb5tC5kyq+uNZk03e7y+grAkbZHC170al1Ju/Sgy+SC9B1ra3XhnbcDeYs+NDA==
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

2026-09-17T09:36:53.998811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095497
observed 8489ace7c77406ffb95ca92c9edcf408...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:53.982401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095497/manifest.json
observed 98b5ea83ac987f27c107fed9e0c12d0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:53.964632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095497/publication.md
observed f22b554698265e08a28696d964a28be2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:53.948132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095497/publication.txt
observed 825bb24efd779aab242239b3f55e8df4...
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.