OpenTechnical

OT-2026-000044921

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000044921) never changes.

Identity and time

Publication numberOT-2026-000044921 · never reused
Internal UUID01a0ae7c-911c-7bd3-963b-a7a4087c2679 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044921
StatusPUBLIC

Content hashes

Canonical text667479c72568dd9e51db7933ac4d245088c6e03208e7b42014becf1b2f3a9efc
Markdown69c36644edfc3a3d4c2fe862b74db8f59c97f3e1590321d45e0034b14e8c31dd
PDF
Publication page805aa3b42f7b55ba6b67ac834f02253cf9448968f99df4659d029ef3e82889ec
Manifestb74b6979d1d51123d503c6dcfd8ef873617b3caa506ca1a9917aacba0c53737c

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
Signature3JI+gNBPt/ATFMptUxvoN89M0jQFHmM6mjwE4sFPI8FqjoYBSj1sZuTqOi48j0wP9D/HNfUyqchmOs0+BheWCw==
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

2026-09-17T11:11:35.606861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044921
observed 805aa3b42f7b55ba6b67ac834f02253c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:35.588226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044921/manifest.json
observed b74b6979d1d51123d503c6dcfd8ef873...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:35.569715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044921/publication.md
observed 69c36644edfc3a3d4c2fe862b74db8f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:35.550764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044921/publication.txt
observed 667479c72568dd9e51db7933ac4d2450...
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.