OpenTechnical

OT-2026-000069753

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, 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-2026-000069753) never changes.

Identity and time

Publication numberOT-2026-000069753 · never reused
Internal UUID01a0ae91-185f-7659-a7df-a0ea32dfc422 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069753
StatusPUBLIC

Content hashes

Canonical textcaa94df9713c4372b5c0e602429c87adca8413a4e05ad925c0e4001a102a9c3e
Markdown4ac35cc7dc2e3f2c3a68a6a963787e38bb962e748021f5b7a333c1d0fac01109
PDF
Publication page6dce6b831f3e041d928edda3906c8d3a303a4b00c42bfa1a94de1b1637bfe25c
Manifest92acad11e0c1745f307a9bbccd189dc310eb46130f3d680c5a9377098d09492d

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
SignatureDUtvLaVppff4WYsx4Fw5O33rNWBK+LE+YF/knVyWWeUHGLWz3LNddvtNm3Hw428rVPvRAbZyEHpQ14lNhrSpAQ==
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

2026-09-17T10:26:34.439088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069753
observed 6dce6b831f3e041d928edda3906c8d3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:34.420885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069753/manifest.json
observed 92acad11e0c1745f307a9bbccd189dc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:34.403613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069753/publication.md
observed 4ac35cc7dc2e3f2c3a68a6a963787e38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:34.385894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069753/publication.txt
observed caa94df9713c4372b5c0e602429c87ad...
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.