OpenTechnical

OT-2026-000076701

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two stage ejector, pressure sensor per zone, 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-2026-000076701) never changes.

Identity and time

Publication numberOT-2026-000076701 · never reused
Internal UUID01a0ae94-b06f-7106-a94b-846cc9eb3ce3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076701
StatusPUBLIC

Content hashes

Canonical text3278e8227cf5ad9be6300f6eff75fcc5cebb81908aace0efdf57a774f843a2cd
Markdown493abc78b3f27f69e6b40b8a9f1d5bd45fcbc9e712bd40ab8310bfcba79cdfb5
PDF
Publication page6656593d52e6c001e8be05701e0c8c09c4a1308e57bb0222b4ecbc48b6cee8e7
Manifestda67124294c915c15ee283ca0e9276886d5066c4a0ce6e84744caa5cfdd2458b

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
SignatureCCDNcZ8S2Qfl+dUe71WbMHZkytQ8E5QjZxhgxry5tsmbDtd+wnNoELDwtV7KgknKptOEWW4ErcY51B7uZWMDAw==
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

2026-09-17T10:09:27.940640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076701
observed 6656593d52e6c001e8be05701e0c8c09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:27.921913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076701/manifest.json
observed da67124294c915c15ee283ca0e927688...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:27.904386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076701/publication.md
observed 493abc78b3f27f69e6b40b8a9f1d5bd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:27.885195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076701/publication.txt
observed 3278e8227cf5ad9be6300f6eff75fcc5...
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.