OpenTechnical

OT-2026-000082440

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000082440) never changes.

Identity and time

Publication numberOT-2026-000082440 · never reused
Internal UUID01a0ae97-4d96-7be2-af55-643319963574 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082440
StatusPUBLIC

Content hashes

Canonical text9238a5fd4935fc8dacd8b8bec96ff3115e2570b461f300a3d654a189c6954003
Markdowna1dc97174a6486d4f184b796b9d4817f43f638eb354c7182ff4ad9b47e89481a
PDF
Publication pageeba9717cdf79ff3d1881b6e5b8883bad2c99280a6cd3546581d6d1e0a3cf2eaf
Manifest10eaad125256ee8180a5d791ac9020a5795f9fd40103eea88e8b2998e735ec47

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
SignatureQzlqIHo9LSLvkeyh/LU4Mlf2axf24LERsi+W7FqF5CcILPaAQu993yahoQVxmEEncmc3vVZ/V7sp9hYyyqvzAg==
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

2026-09-17T09:59:26.266571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082440
observed eba9717cdf79ff3d1881b6e5b8883bad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:26.248891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082440/manifest.json
observed 10eaad125256ee8180a5d791ac9020a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:26.230808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082440/publication.md
observed a1dc97174a6486d4f184b796b9d4817f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:26.212914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082440/publication.txt
observed 9238a5fd4935fc8dacd8b8bec96ff311...
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.