OpenTechnical

OT-2026-000073571

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000073571) never changes.

Identity and time

Publication numberOT-2026-000073571 · never reused
Internal UUID01a0ae92-efb9-7c99-8ab0-3992bb9a5c2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073571
StatusPUBLIC

Content hashes

Canonical text56de1f83b2ae8994044f067c7f5e67d14c5bb964804f0664faced7210902e22c
Markdown9c866d930dc7dd69b162e1ced09e0984a9cf76e9cfb90740760e56e3bfd1c779
PDF
Publication page314733503fabe6cf66da6aa3faa1af62c1db2db27893393cd7eb4a8d95a6b297
Manifestd38c9d1d2e3a0616cba6b9275882c1865f94e028f2de86360f2e496589738372

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
Signatured+Ks8dsiYtBg4Wcx/aYEGDaGi/kKLF1Gl4xMZEOF8VnjqeYimFD07V0G3DUqC44Iqy8HHaWqsJ0Ihli8/GpzBg==
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

2026-09-17T10:21:44.783552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073571
observed 314733503fabe6cf66da6aa3faa1af62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:44.766001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073571/manifest.json
observed d38c9d1d2e3a0616cba6b9275882c186...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:44.749089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073571/publication.md
observed 9c866d930dc7dd69b162e1ced09e0984...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:44.731389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073571/publication.txt
observed 56de1f83b2ae8994044f067c7f5e67d1...
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.