OpenTechnical

OT-2026-000081725

Publication integrity record

Three bellows cup 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-2026-000081725) never changes.

Identity and time

Publication numberOT-2026-000081725 · never reused
Internal UUID01a0ae97-0f73-7ea9-87f5-061bc2711411 · 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-2026-000081725
StatusPUBLIC

Content hashes

Canonical textfa46ce364301d962e725611d61fdd57b92e3ad9bf32856ee6f2cc014d655c652
Markdowndee0be6b11d44f9992e37566feb4b8fe4b44c2fd5dea844bbfaadf218c5aa34a
PDF
Publication paged6d8a63cd4885e6aae70085cd2f9649148589fb1a76d81e9222f27f20ea67b4f
Manifestb4d49e10746a9c3bdcf9b05fd085d11de5d64974f74ab494ed216c68086ae01e

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
Signaturex5ZFIZKAMPxbRc+Uchjjh9RAqGozEAg+xh3kLTlB/KSZvPw1JIdMZ7knw3t9QfuJn3r7+2PRBn2mSlGXe/ygBw==
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

2026-09-17T09:59:48.164188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081725
observed d6d8a63cd4885e6aae70085cd2f96491...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:48.143101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081725/manifest.json
observed b4d49e10746a9c3bdcf9b05fd085d11d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:48.120152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081725/publication.md
observed dee0be6b11d44f9992e37566feb4b8fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:48.102431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081725/publication.txt
observed fa46ce364301d962e725611d61fdd57b...
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.