OpenTechnical

OT-2026-000073016

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000073016) never changes.

Identity and time

Publication numberOT-2026-000073016 · never reused
Internal UUID01a0ae92-c815-794e-9997-ea63a7bf8d19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073016
StatusPUBLIC

Content hashes

Canonical text2ea6c9c1edc9ab5187a275b3a32a4818f43fc0475d77de5147c949cbde5b1891
Markdown8b53e5c20eba7992ee84cd5a1a28766d807abbfd42bc56b379743c46d46ddf41
PDF
Publication page327e938b4ea120099c8a410875abf3b41df67e15625dd57c799068f561185c16
Manifest2f47646e18029392696cfd9be6c9167e2cf6b991c2e405e3f9be46e5d3381f6e

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
Signature4f2kg5Dy2Pw3svBVcuzTtpjUYZUljDd27G83ykVunw9FJObnPHrQyOL3k8JIq06Smf1wyxaowOTA4cVfJGxJCg==
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

2026-09-17T10:21:57.212309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073016
observed 327e938b4ea120099c8a410875abf3b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:57.192762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073016/manifest.json
observed 2f47646e18029392696cfd9be6c9167e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:57.173192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073016/publication.md
observed 8b53e5c20eba7992ee84cd5a1a28766d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:57.154486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073016/publication.txt
observed 2ea6c9c1edc9ab5187a275b3a32a4818...
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.