OpenTechnical

OT-2026-000074324

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line 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-2026-000074324) never changes.

Identity and time

Publication numberOT-2026-000074324 · never reused
Internal UUID01a0ae93-7179-72af-a044-e42de0085ed7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074324
StatusPUBLIC

Content hashes

Canonical text5a70f035aa0a0031090891d01854d9445c44b80ab1041fe499c7e8b0c9451d78
Markdown21ec5afd970b7c64bb4aea0addddda1cca327d2fe78791aafa65699089b25ac0
PDF
Publication page80a27709664fad645e80b8de6b08f8cd356d43cd29f21727edaa6ef08501112d
Manifest581468e376afaeebec1ed00c9041117d521642fbd4c8999e5b084fcee6b24b97

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
Signature4+C278/ogKiskQwyPXFmFEt7qodPOoWdfhHE9GSaUOkKFeS4EQ2r6JHhwwx+HCdljr+eOJ0XM7IDjYdw/FWFAw==
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

2026-09-17T10:19:14.388485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074324
observed 80a27709664fad645e80b8de6b08f8cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:14.369323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074324/manifest.json
observed 581468e376afaeebec1ed00c9041117d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:14.326816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074324/publication.md
observed 21ec5afd970b7c64bb4aea0addddda1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:14.286689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074324/publication.txt
observed 5a70f035aa0a0031090891d01854d944...
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.