OpenTechnical

OT-2026-000056177

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented before set-down, on a tool changer

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-2026-000056177) never changes.

Identity and time

Publication numberOT-2026-000056177 · never reused
Internal UUID01a0ae87-0a4c-7d28-8d57-916a5b497478 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056177
StatusPUBLIC

Content hashes

Canonical text69fbe42f8c7ae28ea6aa78b031dd57b4419636a9469dcfaa3291557c4d56648f
Markdown715e1d1b732406df9f07a7c3fc31019646b993ce0e7acee5484a9ac48d3a8727
PDF
Publication page39428030ac418a15aabf45738d25e4f762503998774b818c35758a3b9a97ce0e
Manifest92fc0b97b34f2139a240b2b77fde2018ff945063a433a9c4fb2f4d8c6bee826c

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
SignatureZlQEh4rRAIHnoSFJWDt+pmXB5CohDW8C/NbCI3e7blu608B3KHD0ypN+39bLsNIOecKTYktI5as9fxapmGkOCQ==
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

2026-09-17T10:51:44.311982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056177
observed 39428030ac418a15aabf45738d25e4f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:44.294221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056177/manifest.json
observed 92fc0b97b34f2139a240b2b77fde2018...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:44.277268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056177/publication.md
observed 715e1d1b732406df9f07a7c3fc310196...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:44.259757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056177/publication.txt
observed 69fbe42f8c7ae28ea6aa78b031dd57b4...
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.