OpenTechnical

OT-2026-000066774

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000066774) never changes.

Identity and time

Publication numberOT-2026-000066774 · never reused
Internal UUID01a0ae8e-ce43-7622-a7ef-3f03da952ff2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066774
StatusPUBLIC

Content hashes

Canonical text59064d6ec21978bc395fb393a4af150d4f2aa511ebb65310b548a6db8483ff97
Markdownb447c20a34702b011ff0599bfdce56003dd1ec3293ce5de40a2d3a0f320f21cf
PDF
Publication page8497da4fd7e2064642075e6d0aae5663341c138bde8edf590b9357703f044883
Manifestff58878de997f31c261e05b37e68f0806aaf3555c7ae24045eb8e5b9c277cee0

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
SignaturexJ8eaM3Zhpp2r8v7KqtimStihPOTJmrl3xnqMA5zBqUNEuAed3cov8aJjXfTLpGPZdSzmh9r5qUfuGcWlJZHAw==
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

2026-09-17T10:33:11.559762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066774
observed 8497da4fd7e2064642075e6d0aae5663...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:11.540728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066774/manifest.json
observed ff58878de997f31c261e05b37e68f080...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:11.521159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066774/publication.md
observed b447c20a34702b011ff0599bfdce5600...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:11.504475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066774/publication.txt
observed 59064d6ec21978bc395fb393a4af150d...
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.