OpenTechnical

OT-2026-000056755

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000056755) never changes.

Identity and time

Publication numberOT-2026-000056755 · never reused
Internal UUID01a0ae87-7af6-7246-b9d2-896f93979554 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056755
StatusPUBLIC

Content hashes

Canonical textb74a5e28b88113c8ddb8eae1404887e0d6aee228f653ab8bf8b52e847b4adcbe
Markdown6644cdb53b55704f34087c72e9e4722777fd81e3ba480ffa1d2a3eca0932bc8f
PDF
Publication pagef87be773fe3f7fbb6cdb8ccf097c618a95e38585bff03ae526db9822418c3c30
Manifestb0f784c864ea902c5ee36854044bf7f97ca710cbdad4eb01f63ca243ec70865c

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
SignaturejJ9BAN7nbqEfOGDnhXtng+E89AyETtVCZqxITT82hRTVPG2gGut1eRUU28aDjXHy9rFzqBeEi3rEsqPPDybkBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:11.903843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056755
observed f87be773fe3f7fbb6cdb8ccf097c618a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:11.885964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056755/manifest.json
observed b0f784c864ea902c5ee36854044bf7f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:11.866895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056755/publication.md
observed 6644cdb53b55704f34087c72e9e47227...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:11.837556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056755/publication.txt
observed b74a5e28b88113c8ddb8eae1404887e0...
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.