OpenTechnical

OT-2026-000078777

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, 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-2026-000078777) never changes.

Identity and time

Publication numberOT-2026-000078777 · never reused
Internal UUID01a0ae95-ccbd-7199-8ac9-bac77b771c47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078777
StatusPUBLIC

Content hashes

Canonical textbf0db4ed80929d446192b160ca2bab2fa6b4b3946cf562728e975b8e9d551f22
Markdownb2a626346c6d5e7c8739232b52cc1e1a0dd2fbdadf66edf7770d2e4be746cd1a
PDF
Publication page5c0b57acf555ac2a7986ef381c46b140350d6784997a098d0dbaf768c687c954
Manifest45982bcc270ec0bea9901456648cc8926e140a74f0077e61974ab001304e7a26

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
SignaturefdlI/+mIsJtuIeByJGJEiiNqOD5MIae7DDgXVwzGPVdwV7ynx1yL7H/PB4VsN2U+vhXn3V4EZQnkNPvxUr7+Dg==
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

2026-09-17T10:05:33.969015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078777
observed 5c0b57acf555ac2a7986ef381c46b140...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:33.951731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078777/manifest.json
observed 45982bcc270ec0bea9901456648cc892...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:33.931806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078777/publication.md
observed b2a626346c6d5e7c8739232b52cc1e1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:33.885576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078777/publication.txt
observed bf0db4ed80929d446192b160ca2bab2f...
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.