OpenTechnical

OT-2026-000044363

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, manifold 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-2026-000044363) never changes.

Identity and time

Publication numberOT-2026-000044363 · never reused
Internal UUID01a0ae7c-39d7-79d7-88e8-c1653348cfe5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044363
StatusPUBLIC

Content hashes

Canonical textff31b78e8ad40f56e65f49e152a263c9336549bbb8b18720f1a3a46da7277f67
Markdownc1a4f6fc0cfd1ee02c71c0dd311737de863a6d2364fb2157279f86e60238bc59
PDF
Publication page7706b1212edb67c17a8bbd699ddbec404c3a356599018486d743c351d115d34a
Manifestfad3bd8c357443046ea24146515b6530af60c09754b42407219088652441355c

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
SignatureaHewC/VauKmq2qhIa/FkYBoVSymtEPzrnX7h5PdCKnjI5xkc3wV9cGT1Tvy7oi5reVGKnRripYKwDaOrWltvDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T08:30:29.586030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044363
observed 7706b1212edb67c17a8bbd699ddbec40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:29.567517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044363/manifest.json
observed fad3bd8c357443046ea24146515b6530...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:29.547087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044363/publication.md
observed c1a4f6fc0cfd1ee02c71c0dd311737de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:29.526298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044363/publication.txt
observed ff31b78e8ad40f56e65f49e152a263c9...
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.