OpenTechnical

OT-2026-000074320

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, vented before set-down

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-2026-000074320) never changes.

Identity and time

Publication numberOT-2026-000074320 · never reused
Internal UUID01a0ae93-7179-75ea-89f2-3b2c35bea8a5 · 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-2026-000074320
StatusPUBLIC

Content hashes

Canonical textda72d90b787af3ae553e9c0fab0f4fddc6512908103721a7571191035ec1bd0b
Markdown3444e369c53f14787c48cb0748f693c81cde79d885d0098993c126a968432b71
PDF
Publication pagefc656bc1f64d1e975756380a454710954ac0df4ae2c6280e5448cbda63522248
Manifest76aa808d5d3b704a0f38050cc78e82d2a05a20993a4afc7b6ae1ed10c55574a9

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
Signature1sQLBn8KRxcepHYS2+z70lhxrLqxoJgbDaciHTvdiY3kbrfTFm7AAtkcBgmlFECAGyGf/sOvE8ZpsHq8XoBWDg==
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

2026-09-17T10:19:14.025398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074320
observed fc656bc1f64d1e975756380a45471095...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:14.007672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074320/manifest.json
observed 76aa808d5d3b704a0f38050cc78e82d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:13.989449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074320/publication.md
observed 3444e369c53f14787c48cb0748f693c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:13.972159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074320/publication.txt
observed da72d90b787af3ae553e9c0fab0f4fdd...
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.