OpenTechnical

OT-2026-000081745

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000081745) never changes.

Identity and time

Publication numberOT-2026-000081745 · never reused
Internal UUID01a0ae97-0f74-7ec7-9a54-e661be03bd8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081745
StatusPUBLIC

Content hashes

Canonical text203536f2a596670e65da1887bb09e0c1308d0dd2fe13dc21cdb1b9f07ab673d2
Markdown7c6d99db1a5d8dae4649f612311886f5b32c6c4bb9cdb8c14ba7d7cbbf1627cc
PDF
Publication page88c4ac8828f08fe423969ecfdf0a5ed89bc6b738335f96bf497dafd6d66c73b0
Manifest4345f99a07620a2473dda8bc1dc2811e608502c2afe07ab763872ca43e4670c4

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
Signature1mLGW5L6RDavY836Iyta/npcaEBJr7JAPP6cbqNRgkzR1/3A6Z8deuv911In253mbrI0iS+cDWb4ecCRyLURAg==
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

2026-09-17T09:59:49.765504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081745
observed 88c4ac8828f08fe423969ecfdf0a5ed8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:49.746349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081745/manifest.json
observed 4345f99a07620a2473dda8bc1dc2811e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:49.726548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081745/publication.md
observed 7c6d99db1a5d8dae4649f612311886f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:49.705014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081745/publication.txt
observed 203536f2a596670e65da1887bb09e0c1...
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.