OpenTechnical

OT-2026-000068673

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented after 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-2026-000068673) never changes.

Identity and time

Publication numberOT-2026-000068673 · never reused
Internal UUID01a0ae90-2483-72ab-9166-5a69faae2203 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068673
StatusPUBLIC

Content hashes

Canonical textaa8c3788379be4f1f085ece9bdc4a3b50e208071cf0aff55053e2819b69965e6
Markdown78f401ab64f58410cfb68d39155a517544c1f90f18824df9fdf19ed12103cbd2
PDF
Publication pagebafaa76976d390501061537ffe4d1362221d468e76c39cc64bbc86104996a0a0
Manifestd5470841dd9706f83ae1d9bad4fd20d05e6ecedc00f8018424c4b7f75b6e7136

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
Signaturek8NNyT6iMmS10Pz6+hlVe3YuPS4s0ubBbR+QF/VRtHAGUc70m/NPTqeqRqPUXv4OlV1Tjud+KXXQLCuHi3cHCA==
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

2026-09-17T10:29:52.401595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068673
observed bafaa76976d390501061537ffe4d1362...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:52.382928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068673/manifest.json
observed d5470841dd9706f83ae1d9bad4fd20d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:52.364794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068673/publication.md
observed 78f401ab64f58410cfb68d39155a5175...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:52.344993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068673/publication.txt
observed aa8c3788379be4f1f085ece9bdc4a3b5...
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.