OpenTechnical

OT-2026-000054107

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump fed, supply line pressure sensor, pulsed 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-2026-000054107) never changes.

Identity and time

Publication numberOT-2026-000054107 · never reused
Internal UUID01a0ae85-b3a8-76e4-8107-6b3836d0a13a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054107
StatusPUBLIC

Content hashes

Canonical text789f4df02bb6292d7268483d9ee092788e7a7eb792cc3b2e253b2a22fcc20cea
Markdown65a17e9046452a4d0eb85dc9a51fed538ca466ddf8eb7e60d505657f4d51c66f
PDF
Publication page162e84b85d00b21558234d313218c7bb53ec1a9e73d5a09b114a38b657bf8bf2
Manifest0b093bff911354fbd84ec13494c7d677cc258ffcde8d2c79eaffa2dc8165d27a

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
Signature3pDWCXydD3SyJUANmoJFnxhWaDQAwj+neZv5Eu3ieBi9H3OuYq26+lQ8bkN5vZu1S5ltbxSpe6tdk0aAD9X1AQ==
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

2026-09-17T10:54:30.024683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054107
observed 162e84b85d00b21558234d313218c7bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:30.007006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054107/manifest.json
observed 0b093bff911354fbd84ec13494c7d677...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:29.989691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054107/publication.md
observed 65a17e9046452a4d0eb85dc9a51fed53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:29.972491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054107/publication.txt
observed 789f4df02bb6292d7268483d9ee09278...
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.