OpenTechnical

OT-2026-000056874

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump 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-2026-000056874) never changes.

Identity and time

Publication numberOT-2026-000056874 · never reused
Internal UUID01a0ae87-7af8-7294-92d4-b8d601a6eb6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056874
StatusPUBLIC

Content hashes

Canonical text78680fa2878901f8e5cf432979dd5cfbf3a29911eb86e8db4687997b40919d99
Markdown061fb1e338269dfd18fb3c5571bb763842b7efb8a1d5edc1a912cdfb6b5e15c7
PDF
Publication page3fb08b9237f715ddf2ff81779c681bcf4db87682fd4d82e19bfb172b62d287b3
Manifestb74000ad49af1cb76ff93637ef82405f7e38fa5f92d653bb7e7007a271c8db79

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
SignatureYP4NJD/C35GK9/NcHuOkZ1okfkCggibbwOgxjKmOH9BpxNasRgsQDoEQ5MSrHUnXuHeG1ORli2X56JhDEGNaDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:24.308964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056874
observed 3fb08b9237f715ddf2ff81779c681bcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:24.289858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056874/manifest.json
observed b74000ad49af1cb76ff93637ef82405f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:24.270976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056874/publication.md
observed 061fb1e338269dfd18fb3c5571bb7638...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:24.253265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056874/publication.txt
observed 78680fa2878901f8e5cf432979dd5cfb...
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.