OpenTechnical

OT-2026-000081038

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented after 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-2026-000081038) never changes.

Identity and time

Publication numberOT-2026-000081038 · never reused
Internal UUID01a0ae96-b976-733e-86da-5b33b5dfffee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081038
StatusPUBLIC

Content hashes

Canonical text015e04e6f5b774951db37345e64b60d0fefc60b69f379d48c92a8ba471f292b6
Markdowne374404643f8ddd19b99a60b2989b3bd7b84f0058205c0506f3701cd56755681
PDF
Publication pageca0e59d791a075583790d71e9e717b8d946b29c67405c6dd2dbb9f68c78111aa
Manifest736cc2f04798e4d077ce2179bb64268cb960df6900e9bbf8d9988e9e9c6c9d9d

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
SignatureQOJBWiSB94CXKWnuvG4LB5ixRofzWxMY5mzvN+prl0AIHv+m3eU0r5Kw7wkeWarFT+GcRgcKu4pgaCK1ghalDg==
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

2026-09-17T10:02:19.771037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081038
observed ca0e59d791a075583790d71e9e717b8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:19.753166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081038/manifest.json
observed 736cc2f04798e4d077ce2179bb64268c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:19.736503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081038/publication.md
observed e374404643f8ddd19b99a60b2989b3bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:19.720465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081038/publication.txt
observed 015e04e6f5b774951db37345e64b60d0...
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.