OpenTechnical

OT-2026-000099726

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, pressure sensor per zone, sustained blow-off before 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-2026-000099726) never changes.

Identity and time

Publication numberOT-2026-000099726 · never reused
Internal UUID01a0aea2-c977-708c-b929-da80f396f18e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099726
StatusPUBLIC

Content hashes

Canonical text9f0ed41bf3ceec42c081e952f3f7137b25faa9f839fa92bacbd65aed43460650
Markdown3695e558b97df5f2a6c7d990ab2cf8018105cad4d376188699844c10cd9fc27f
PDF
Publication page06142c2deb144a17a717c944e58eb30d66a5f212dcdb730ee616e9e96549b342
Manifest7d51f82c187e39511eac9ecfab448c2b36b00fb9b0aada54c141ca770da4aefa

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
SignaturemvXEGC6GuJ3/B2aTH8dJy/JFRxrUWE/QPLVVV29u2PXJZcZyWDQS1C8jJ2hnwA0FgHEzSB9qCmpd7t+CIm0sBA==
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

2026-09-17T09:29:44.830691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099726
observed 06142c2deb144a17a717c944e58eb30d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:44.814238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099726/manifest.json
observed 7d51f82c187e39511eac9ecfab448c2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:44.798061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099726/publication.md
observed 3695e558b97df5f2a6c7d990ab2cf801...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:44.781728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099726/publication.txt
observed 9f0ed41bf3ceec42c081e952f3f7137b...
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.