OpenTechnical

OT-2026-000004034

Publication integrity record

Bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed

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-2026-000004034) never changes.

Identity and time

Publication numberOT-2026-000004034 · never reused
Internal UUID01a0a90d-0164-7cbd-a7e5-d9a1086c3b24 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:09:56.967467Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004034
StatusPUBLIC

Content hashes

Canonical text97aa3b033064413d867e15654dfd2cffe726c5d13d6f9c0ec6c2d866f466f12d
Markdownec967c20c0d5eea9785c23dbe93ca6300ef77ac341a8d4b5becdb9195ff8b7f0
PDF
Publication page708261d161a572c3ace7d90fe92d7c395d6a0eaef9d376ada4d7a2e58f6459f7
Manifestec6cda7f97e79b849cc188ce63b11602ad5a8909dfd9f4922ab8219c99adf45b

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
SignaturePb1QTMspcbalq3asC0CnXjPueVnaOGg8+zVAew0JrxIqHA9fdSV4FfVS/3aN/47rcWKWB3kN/QEub2ptxPd2BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:04.972382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004034
observed 708261d161a572c3ace7d90fe92d7c39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:04.959542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004034/manifest.json
observed ec6cda7f97e79b849cc188ce63b11602...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:04.944525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004034/publication.md
observed ec967c20c0d5eea9785c23dbe93ca630...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:04.931038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004034/publication.txt
observed 97aa3b033064413d867e15654dfd2cff...
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.