OpenTechnical

OT-2026-000087563

Publication integrity record

Foam pad vacuum gripper, three zone face, three stage ejector, 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-2026-000087563) never changes.

Identity and time

Publication numberOT-2026-000087563 · never reused
Internal UUID01a0ae9a-cd52-7697-abd4-9139f2bd2efd · 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-2026-000087563
StatusPUBLIC

Content hashes

Canonical textc6c32014ddc0bb9fc1cbf9bca492696a5938088e57262db09e7379d8a101ea44
Markdownd9e74ede089cfeb58e663d4518279d043351df93bd29db2468a299ddb0225f15
PDF
Publication pagea4c56ad78d1bcce6abc04242d9e753c04d609bf90c087e6c08ffbadb26e1dd3b
Manifestab5cdffc3696631d1d1d585a292b2f98f05c255d952c22c9ad614fad4e8f3b60

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
SignaturevjxOd1f9ql/4mCiawxMbeoADHdhHZicu/IFkAnyJpFhRGmyzJTprVS3sfA6yyqo57psnEehrpNPhGuwksIrWBg==
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

2026-09-17T09:50:54.491762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087563
observed a4c56ad78d1bcce6abc04242d9e753c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:54.474128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087563/manifest.json
observed ab5cdffc3696631d1d1d585a292b2f98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:54.457651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087563/publication.md
observed d9e74ede089cfeb58e663d4518279d04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:54.441629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087563/publication.txt
observed c6c32014ddc0bb9fc1cbf9bca492696a...
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.