OpenTechnical

OT-2026-000074931

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000074931) never changes.

Identity and time

Publication numberOT-2026-000074931 · never reused
Internal UUID01a0ae93-ac2d-751d-a288-66138083ef24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074931
StatusPUBLIC

Content hashes

Canonical text0474cccbc8935331302a7b1fbf22e033bd6cd35050637b6b25711c0ec6a16965
Markdown8404b0d5faf22a92d197846ff360ce1225f35ea9aee222b4ef68ea293aed776f
PDF
Publication pagee09ed746208743281839e68a91b568f9a2945baf722431d71c1738066b9b943c
Manifest5377f7192b359100339b4c7f78422739a63477b2a6a317bc27ff9c3845cb5566

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
SignatureaoyK4pGHappGUv+SrNJpyrRv83xCy2hl/EGk0QDpQGI0fJOshbRIw7u6kWaACIBtz6SPQ0tkgAhElMmyLp50Dg==
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

2026-09-17T10:18:39.578306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074931
observed e09ed746208743281839e68a91b568f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:39.563153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074931/manifest.json
observed 5377f7192b359100339b4c7f78422739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:39.546806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074931/publication.md
observed 8404b0d5faf22a92d197846ff360ce12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:39.529241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074931/publication.txt
observed 0474cccbc8935331302a7b1fbf22e033...
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.