OpenTechnical

OT-2026-000036876

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000036876) never changes.

Identity and time

Publication numberOT-2026-000036876 · never reused
Internal UUID01a0ae77-773e-7389-b0d2-0c4035c49022 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036876
StatusPUBLIC

Content hashes

Canonical textbcfbd8e44e0f87ac07f4b249c9858fdd2fa357028583d4cd5a65d5217142c0c8
Markdownb4668993f1011320715a8958a45692858d31b905a2335365da4492e54e5d96c0
PDF
Publication page2fe3e35703934362f39066bad405df770cc1c7afbe628f965ec3d409a8aa0a5d
Manifestf9966c101c912f9e56c13c58d320b8371d1eb7823587c5053c9a8ddac12dd166

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
SignaturepI9K+ZlKVozkSyg3LfEoSVYYC54R0384lLgKux03YGXWV+xKElCe5KFVekTO8wZ+25HV4ct53A8ogPLArmuZAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:24:30.568609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036876
observed 2fe3e35703934362f39066bad405df77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:30.551040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036876/manifest.json
observed f9966c101c912f9e56c13c58d320b837...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:30.532354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036876/publication.md
observed b4668993f1011320715a8958a4569285...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:30.514167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036876/publication.txt
observed bcfbd8e44e0f87ac07f4b249c9858fdd...
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.