OpenTechnical

OT-2026-000072557

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000072557) never changes.

Identity and time

Publication numberOT-2026-000072557 · never reused
Internal UUID01a0ae92-89d8-70b3-b145-27f23e5c1df4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072557
StatusPUBLIC

Content hashes

Canonical text1ee1794e6114416d3e3cb1d674a7fea9d00ed8a2fee1e50ebec0d42f76073423
Markdown9ecaab375ec5d642cb35f01eab3218b6de6cb33eced0feb8402a9b4160c5e636
PDF
Publication page32c291acd8b595e8239308bd348d8bf23a88b5b78add17b6c2f740a088c7559d
Manifest00c0f493e7cb9f0e1a7a5cf20e11a249b5155d8456525dab8c524acc53ce293f

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
SignaturedUYMY0HyrIVwXTMaN7YCR3d3JTuy9bYWmKMA5sq6e1vzHnl/wUfEjnh6KXqNNcqrcE7DphTCD1ciCbwsrhdbCQ==
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

2026-09-17T10:22:23.419047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072557
observed 32c291acd8b595e8239308bd348d8bf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:23.401865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072557/manifest.json
observed 00c0f493e7cb9f0e1a7a5cf20e11a249...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:23.383658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072557/publication.md
observed 9ecaab375ec5d642cb35f01eab3218b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:23.338824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072557/publication.txt
observed 1ee1794e6114416d3e3cb1d674a7fea9...
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.