OpenTechnical

OT-2026-000081280

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line 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-2026-000081280) never changes.

Identity and time

Publication numberOT-2026-000081280 · never reused
Internal UUID01a0ae96-f374-74a5-9be7-9102ffa9bab3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081280
StatusPUBLIC

Content hashes

Canonical texte0e09b6d528585450ebc56e4966e4ce7dfe6876c3bb5d6f6485b323d1d8b5dff
Markdowne2053cb370093d8d5d562337eedfb5e57362f00c91b671e87f120b380be32e56
PDF
Publication page5c6c47fd09e883cbcecb8038a3fec87262c599cbd13fcfbc7a31c307ec824e56
Manifestab5832098c62ffe66c461c45a2067d37153d48cf9f7331eaae08cd2a10171e8a

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
Signatureq3zzcft7hiYGrRXXv4IQgskuyN04eZAqevsJFzxIuZ7NbAGVilTq8T705z9gVPuaUQZv3mCgRCF8m/za1Ye3Ag==
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

2026-09-17T10:01:23.050185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081280
observed 5c6c47fd09e883cbcecb8038a3fec872...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:23.028340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081280/manifest.json
observed ab5832098c62ffe66c461c45a2067d37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:23.008981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081280/publication.md
observed e2053cb370093d8d5d562337eedfb5e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:22.991496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081280/publication.txt
observed e0e09b6d528585450ebc56e4966e4ce7...
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.