OpenTechnical

OT-2026-000056335

Publication integrity record

Foam pad vacuum gripper, two zone face, two 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-2026-000056335) never changes.

Identity and time

Publication numberOT-2026-000056335 · never reused
Internal UUID01a0ae87-4bd2-7493-8415-e53bdaa05df0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056335
StatusPUBLIC

Content hashes

Canonical text63dd06aa32a0ac2e95481fb89c3f6d98199428405b17f549b975bbe352b8e26a
Markdown05c3c35c320e9f8824e5b13ffc1d8834104f7942ce57a5c830e4fcd0407ff77b
PDF
Publication pageabf25a0a87aa1cb622dae8f37c32570d19a8f42abbe5c996579879bae2a0e353
Manifest99de6d195ec2ac7e0eab31097116a9161c4822a1339b783dc89d01c435df2dad

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
SignatureU5dhoH+DCDdbAkne33LjgLAEsr772MB7FRL2xrORlFb6funDFmjiZEPby0xjDi4ZXfT29PCKNsw/Y+h5XpXPDA==
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

2026-09-17T10:50:50.524904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056335
observed abf25a0a87aa1cb622dae8f37c32570d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:50.506769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056335/manifest.json
observed 99de6d195ec2ac7e0eab31097116a916...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:50.488301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056335/publication.md
observed 05c3c35c320e9f8824e5b13ffc1d8834...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:50.468790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056335/publication.txt
observed 63dd06aa32a0ac2e95481fb89c3f6d98...
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.