OpenTechnical

OT-2026-000091457

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000091457) never changes.

Identity and time

Publication numberOT-2026-000091457 · never reused
Internal UUID01a0ae9c-f16d-7148-af2e-abaa1615d0de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091457
StatusPUBLIC

Content hashes

Canonical texte054a95e4d4dc9906f3c786cdcebe591acb49de312dcf1016cce996319ed04c7
Markdown588e02e3afaf9932634d03536c47345f6385900d556838afa3b1372dde9ddb72
PDF
Publication page39acba3b2fadfc2508c77bf452e8ec90bf6dadcfc9b178b762be6832019edcd5
Manifest1169eb6b2514177b615f1cf657f29900e36574d5c8e6892dc40a0729d1f5b701

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
SignatureMkxZZq+7docFSdBW2BUkkxoKXnmMBvL1jRdoTz4eLwZEkujcYSkMXenVr+Hr9i1C/Z9L15OA4gtPJlj489TRCw==
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

2026-09-17T09:43:42.523914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091457
observed 39acba3b2fadfc2508c77bf452e8ec90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:42.506976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091457/manifest.json
observed 1169eb6b2514177b615f1cf657f29900...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:42.490041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091457/publication.md
observed 588e02e3afaf9932634d03536c47345f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:42.472166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091457/publication.txt
observed e054a95e4d4dc9906f3c786cdcebe591...
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.