OpenTechnical

OT-2026-000068884

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000068884) never changes.

Identity and time

Publication numberOT-2026-000068884 · never reused
Internal UUID01a0ae90-6dcc-7492-bae3-68b2de6241b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068884
StatusPUBLIC

Content hashes

Canonical text7250e2fe19325e0b88f78bdd365adc0a8744c36ad0177d63e03e7277aeebc75c
Markdown7149b38fafc16fc9f13971d999af3509c046af60ec4cbe378df4f54a42cf2131
PDF
Publication page16860c8f3167a843f8f210350eb14bb3bf60875e0577a0465a2077b648b27942
Manifest5f93ed93cf164e5f65f2132a414c6bbb4635a63d319235274ad3cc336915f9e3

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
SignaturefZQ8BnAVHwKheW2wqr9/Sm9jg912pG/E325XDbMJYVPaWTEwnnQa1a3JjLRrujqWghzbICvaF+uwC2DVsJPcDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:28:42.085466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068884
observed 16860c8f3167a843f8f210350eb14bb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:42.064813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068884/manifest.json
observed 5f93ed93cf164e5f65f2132a414c6bbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:42.047133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068884/publication.md
observed 7149b38fafc16fc9f13971d999af3509...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:42.029243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068884/publication.txt
observed 7250e2fe19325e0b88f78bdd365adc0a...
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.