OpenTechnical

OT-2026-000081803

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, sustained blow-off 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-2026-000081803) never changes.

Identity and time

Publication numberOT-2026-000081803 · never reused
Internal UUID01a0ae97-0f74-7fd3-bc10-d3f0a6ee5969 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081803
StatusPUBLIC

Content hashes

Canonical text9a39b0381ec4a739d911507a7c0946a1c2fb708d0d66dd6b1eee806defa26218
Markdowne342981b33bc801d8186dac2369f8bc078fb1d9bf43efa845e71d5d921ff0eef
PDF
Publication page3b743938a9033c394475c1983919fc6f9317b0e7340496a7e3df5fdab82b252c
Manifeste19bec0242979766e6698093d47274fc198311cbfac740e4424fb3f6f0affec9

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
Signature2u97T8xoEh688+2wU/EwEGCdTVe3ReudQvMFUu8dZQNDBrndvqp8doD8ziaT6qDuTOtIPymXNG5sJWGjCT5PBQ==
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

2026-09-17T09:59:54.293621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081803
observed 3b743938a9033c394475c1983919fc6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:54.273382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081803/manifest.json
observed e19bec0242979766e6698093d47274fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:54.255585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081803/publication.md
observed e342981b33bc801d8186dac2369f8bc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:54.237966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081803/publication.txt
observed 9a39b0381ec4a739d911507a7c0946a1...
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.