OpenTechnical

OT-2026-000072802

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000072802) never changes.

Identity and time

Publication numberOT-2026-000072802 · never reused
Internal UUID01a0ae92-89da-70b2-be91-9600925bdf69 · 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-2026-000072802
StatusPUBLIC

Content hashes

Canonical text2a12dbaa84255d20ce70df8e8f35d0b032e71b8982182fe348ead0c506d7170f
Markdown512834bf48d4ec7f5a091777fa98100b6689f450bb3fdc12534a620786127083
PDF
Publication pageb482d7b4c84f0cb6396fcbc5136284eeb1ee0cb355ff3dec42eace5f1e7977f6
Manifest9d8311983df2fe45884982cddfa9a07be3d80788269795098c50fcb8828797d1

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
SignatureXlpTJag1TS3BGSoaCCwHNLEBXx2Ay7v0EdHz5EqOetXM7r1H7rvybj2szd3vg2jSVUGEfLJJHqf4As9hrVBQDw==
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

2026-09-17T10:22:29.068853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072802
observed b482d7b4c84f0cb6396fcbc5136284ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:29.052732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072802/manifest.json
observed 9d8311983df2fe45884982cddfa9a07b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:29.035710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072802/publication.md
observed 512834bf48d4ec7f5a091777fa98100b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:29.017633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072802/publication.txt
observed 2a12dbaa84255d20ce70df8e8f35d0b0...
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.