OpenTechnical

OT-2026-000079566

Publication integrity record

Single bellows cup vacuum gripper, single 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-2026-000079566) never changes.

Identity and time

Publication numberOT-2026-000079566 · never reused
Internal UUID01a0ae96-0b92-7f01-8c81-689bed0133cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079566
StatusPUBLIC

Content hashes

Canonical text6866a63b28e5864efc6f73dc366c44a18adaf927dccab5387e5a00e4850532b2
Markdownafd77e6617eeabfdfb2166d6d5f53f41ea805de52211ab77b67735a52eeed885
PDF
Publication page45ac5b9cc69bf6142ddf611a65fa56458ae66ad9f53f7ced047c3076dd129a1f
Manifest4c80da888b7a0c19bbaa30041b8e3343b1f7fe2c5b8d03a8a14639db1a0e06c6

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
SignatureZRpMQR62CXdJ2rltONeJKZcp69EToAufEcXEh6Fmvr6EDNtHPTZcOSqzq2CLYSj1Voa0+6yruKLMhkMWHY49Bg==
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

2026-09-17T10:05:12.963390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079566
observed 45ac5b9cc69bf6142ddf611a65fa5645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:12.942742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079566/manifest.json
observed 4c80da888b7a0c19bbaa30041b8e3343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:12.923015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079566/publication.md
observed afd77e6617eeabfdfb2166d6d5f53f41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:12.902486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079566/publication.txt
observed 6866a63b28e5864efc6f73dc366c44a1...
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.