OpenTechnical

OT-2026-000079348

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, vented after 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-2026-000079348) never changes.

Identity and time

Publication numberOT-2026-000079348 · never reused
Internal UUID01a0ae96-0b90-77fb-a88b-77cff4b2a7b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079348
StatusPUBLIC

Content hashes

Canonical text985a0bf81bb2d512c07f3c4ee0b1764ff46aa8c4cb2e4e8caf845f2ca198c83a
Markdown21eb653d2c02277349286fb366a2e0ddeb8d75d930bb38a5e5dd603d176f3022
PDF
Publication page4f602a6cc7135707262bf5a46697f77625b4050427d197564c4380789820587b
Manifestaaf8bbb8bd571bbc8e8e4b227dc28160d4e318f27352255c3adc0b31aea2495f

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
SignatureXP+TjZ9DdGPrtV+u6XqAvnUPSlwFvnrXcLGkqylz+Zus+y/vkpRQ6lmGMMD+/F+2xXMatCsIiMqW3S1nuoRJAg==
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

2026-09-17T10:04:57.814269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079348
observed 4f602a6cc7135707262bf5a46697f776...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:57.796080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079348/manifest.json
observed aaf8bbb8bd571bbc8e8e4b227dc28160...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:57.777118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079348/publication.md
observed 21eb653d2c02277349286fb366a2e0dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:57.757373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079348/publication.txt
observed 985a0bf81bb2d512c07f3c4ee0b1764f...
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.