OpenTechnical

OT-2026-000074406

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two 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-2026-000074406) never changes.

Identity and time

Publication numberOT-2026-000074406 · never reused
Internal UUID01a0ae93-717a-745a-a73e-d1ca7428ed2e · 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-2026-000074406
StatusPUBLIC

Content hashes

Canonical textce20780fda57f02da2c0e9f9b85e19935749309bedac0aca90b108c3f1c627d6
Markdown542bbd0d2a460d25badb5f307e3d1909443c2dcef7dee84a0d7fe3b4a81d462e
PDF
Publication page09a65799784302ef5b1a960f72a427232a31c88b4b3a2e9aa14cfd21642e74e2
Manifest8faf5c747cd32c6ef1e56db57c91ec611e631bc2c1d9860f36367baf2122f828

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
SignaturerrqozV2XDkpWK9GPJBpyfgnGU/GodO0skdE5OznJNX32akqPpz+Jw1f7gUKMjcpiWHuFiu5msDeLSpwAviuXBQ==
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

2026-09-17T10:19:20.850649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074406
observed 09a65799784302ef5b1a960f72a42723...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:20.833352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074406/manifest.json
observed 8faf5c747cd32c6ef1e56db57c91ec61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:20.813992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074406/publication.md
observed 542bbd0d2a460d25badb5f307e3d1909...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:20.795679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074406/publication.txt
observed ce20780fda57f02da2c0e9f9b85e1993...
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.