OpenTechnical

OT-2026-000087672

Publication integrity record

Foam pad vacuum gripper, three zone face, pump 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-2026-000087672) never changes.

Identity and time

Publication numberOT-2026-000087672 · never reused
Internal UUID01a0ae9a-cd54-76d4-9e87-f8b188eb4c38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087672
StatusPUBLIC

Content hashes

Canonical text483e38304d23a7eef043309ae305102509edf2061a3ec038c158be29b383b692
Markdowna51d36561a31758ef8f45250ddae30c4e9c35929e590de449a114fc764fb2714
PDF
Publication pagecbc4c04f4712229692f1f8c1f81a9d580f72cc21701af52793317d0cd6f02901
Manifestf760729717b8ec2a75b0b89ec8e04ca6b2c71994df8859bd261f37c4e23d5cfb

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
SignaturedOXLYJ5EziJMTdqa38xPGX2bOL8cehp+Prko++xBWNTRfiljCYSiMKLF69Zdthj9+6NJgKCnbg9fXJdLjENABw==
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

2026-09-17T09:51:07.113482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087672
observed cbc4c04f4712229692f1f8c1f81a9d58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:07.096577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087672/manifest.json
observed f760729717b8ec2a75b0b89ec8e04ca6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:07.078661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087672/publication.md
observed a51d36561a31758ef8f45250ddae30c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:07.062850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087672/publication.txt
observed 483e38304d23a7eef043309ae3051025...
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.