OpenTechnical

OT-2026-000078798

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, vented after 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-2026-000078798) never changes.

Identity and time

Publication numberOT-2026-000078798 · never reused
Internal UUID01a0ae95-ccbd-7359-91d8-9ac435999b4c · 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-2026-000078798
StatusPUBLIC

Content hashes

Canonical text48c1176d7b04b6e8bfdf218e3723b6a8d521109e2a8360a92c744f8c8d20e4c8
Markdown4834dd9c51119bec4f23ac422f5e7f137994a8cd95bfd670d422eca50b473563
PDF
Publication page9275b3eed66f5784c9871f26e6cd06ab9026430d518d9421d90be9decb51a8da
Manifestc818396b404ef89d42e60121bd70c406bf95c8e3890614cf467930336f75e899

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
SignatureXomHHPKLleGdXQmpk7mOWJegBPaN3xlsN928VdkwT9U4kjZN1HHpCnIvtMMXSj7Tz4bSTuT09fZ+HkeFR7l8Dw==
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

2026-09-17T10:05:35.265540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078798
observed 9275b3eed66f5784c9871f26e6cd06ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:35.248465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078798/manifest.json
observed c818396b404ef89d42e60121bd70c406...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:35.231805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078798/publication.md
observed 4834dd9c51119bec4f23ac422f5e7f13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:35.212974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078798/publication.txt
observed 48c1176d7b04b6e8bfdf218e3723b6a8...
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.