OpenTechnical

OT-2026-000079995

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, sustained 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-2026-000079995) never changes.

Identity and time

Publication numberOT-2026-000079995 · never reused
Internal UUID01a0ae96-4377-7059-bb2e-7fc38e472d0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079995
StatusPUBLIC

Content hashes

Canonical texta14dec2b0ddf4003019551158864ecdb9762b7e01d2baa41987398939ffab59a
Markdown1c43e360088340622f4628945e5cf82b16e3b76fcb3e972d6e811fc06b978fd5
PDF
Publication pageb608d65a1a9cd63a0ff1165443b3ca47a1a1472c6ddb0e526b33e23551199563
Manifest07308a6dde5f992435f9b691c43843b74cd28387aeedb26f659c0b569448ad97

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
SignatureyzZCCfOjElVwxBPzMwi82cITqXYJTCdqkXARzNrlOouLd7jHwkfUa/ywRf72ZdkExxoFvSvR6PPFYdupbatACg==
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

2026-09-17T10:03:54.919548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079995
observed b608d65a1a9cd63a0ff1165443b3ca47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:54.901247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079995/manifest.json
observed 07308a6dde5f992435f9b691c43843b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:54.883186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079995/publication.md
observed 1c43e360088340622f4628945e5cf82b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:54.863094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079995/publication.txt
observed a14dec2b0ddf4003019551158864ecdb...
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.