OpenTechnical

OT-2026-000073320

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000073320) never changes.

Identity and time

Publication numberOT-2026-000073320 · never reused
Internal UUID01a0ae92-efb7-7336-8c40-fc23d5e6dd53 · 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-2026-000073320
StatusPUBLIC

Content hashes

Canonical text2586b363afce578151e8fcda5b21f326de09db8ddbe6deed6f0669512c462b03
Markdown761bf91d9a767c1846e15e64cfcbc776065856a88473c2392cb654cb74ca9816
PDF
Publication pagee80f6994bc77d0dd8cafa5bbd816648d972a303b823ada4ea9c647fefde09514
Manifeste6eedf667537bdf5d04f04dc720aacb5f70d6b1aed3bd1e15e47b98b7cd6e8d8

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
SignatureVclcWCjtU7r8peqRct0WsuIlcGe4qTICF5HWXRU5ZYFEhr7iIcK/yXnL8tFtJ/9QM9ZO0MTy7+kvIPQ1edwvAQ==
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

2026-09-17T10:21:20.067812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073320
observed e80f6994bc77d0dd8cafa5bbd816648d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:20.047959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073320/manifest.json
observed e6eedf667537bdf5d04f04dc720aacb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:20.029482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073320/publication.md
observed 761bf91d9a767c1846e15e64cfcbc776...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:20.010095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073320/publication.txt
observed 2586b363afce578151e8fcda5b21f326...
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.