OpenTechnical

OT-2026-000066568

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000066568) never changes.

Identity and time

Publication numberOT-2026-000066568 · never reused
Internal UUID01a0ae8e-ce41-71c3-8db8-f1802053ea5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066568
StatusPUBLIC

Content hashes

Canonical textd32aead012fe8c3b0ce16dfb4f4de9c29db1abb5b5e01bc61b1b2d1e241b3cf7
Markdownd0f3521d52a16d2821e13930803ba06d59f4ca0ecfb41675a914ef4b6692ec78
PDF
Publication paged8b5096076a0915694aa79593e1f8210a372956c478045496a96b5d0b404967e
Manifest1a6ad395edfc328c7b5d38e0f283fa524750885f4e78974ce2befebd72cb168e

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
SignatureTs6K7BYk9wJeO3FG2ME/iBEzCwYtEzaWaUFf1O5FzFlNOISsg1ILEW6QSEeQ58A43yE2+7+c3bdH9VM2vpohAw==
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

2026-09-17T10:32:50.390486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066568
observed d8b5096076a0915694aa79593e1f8210...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:50.373725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066568/manifest.json
observed 1a6ad395edfc328c7b5d38e0f283fa52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:50.357922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066568/publication.md
observed d0f3521d52a16d2821e13930803ba06d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:50.315454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066568/publication.txt
observed d32aead012fe8c3b0ce16dfb4f4de9c2...
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.