OpenTechnical

OT-2026-000055245

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000055245) never changes.

Identity and time

Publication numberOT-2026-000055245 · never reused
Internal UUID01a0ae86-a0ff-7776-9814-5741d9a2d3f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055245
StatusPUBLIC

Content hashes

Canonical text476331f15be892dc977af47bfe99725573b2cf30cc68827c065fd3be47397d0f
Markdownae4924ab8b6c2bf1a343de867dd5333ca40d999d87146654920ffdd2609eb0fc
PDF
Publication paged15ff80fcb10b7f1a160f5de943f08500beb7a5905efa6c71648979c3d6b4343
Manifestcf65b70c8135f01476967975fe90aee5582bd1928f06ce8d5444047a656595eb

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
SignatureLF65VtM3YN5kWNZxEkKnbLN1XAos6d11aWY7IHQuwrfXzCsDqCasSAAXDB5k9V/Sb/Xc6WznDdV52+fc9fF0Cg==
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

2026-09-17T10:51:49.844565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055245
observed d15ff80fcb10b7f1a160f5de943f0850...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:49.826123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055245/manifest.json
observed cf65b70c8135f01476967975fe90aee5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:49.809438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055245/publication.md
observed ae4924ab8b6c2bf1a343de867dd5333c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:49.790028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055245/publication.txt
observed 476331f15be892dc977af47bfe997255...
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.