OpenTechnical

OT-2026-000097608

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, supply line 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-2026-000097608) never changes.

Identity and time

Publication numberOT-2026-000097608 · never reused
Internal UUID01a0aea1-92f2-7c22-93ca-fb3108d5c485 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097608
StatusPUBLIC

Content hashes

Canonical text81e9f3ebd33fd06fa65abb812d6ef2a194ddebf301f9499fe10913813b462474
Markdown9b0e30517060a6859f2275879dd5f8bd8834fec024c50d4550e8b5e7e9116e59
PDF
Publication pagedff83d84a9513d9a8e7bb2063039f842ed1dadcb0aad2a93d4630bfadb604848
Manifest8cf361bd194e79145d5238969e63da4f947ce29188e00f63f1ab25ebe6b8baf3

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
SignatureWwV94FoZC+b/qn8xPgHTvPjcLmnk9Fg0dGbbYlDkZhhWD3ONF7Y5dXX843XtaZpGph6I6b3lVEOspAdXFErEBA==
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

2026-09-17T09:32:36.915538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097608
observed dff83d84a9513d9a8e7bb2063039f842...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:36.897710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097608/manifest.json
observed 8cf361bd194e79145d5238969e63da4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:36.841914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097608/publication.md
observed 9b0e30517060a6859f2275879dd5f8bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:36.823948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097608/publication.txt
observed 81e9f3ebd33fd06fa65abb812d6ef2a1...
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.