OpenTechnical

OT-2026-000044149

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000044149) never changes.

Identity and time

Publication numberOT-2026-000044149 · never reused
Internal UUID01a0ae7b-d67b-7d14-8317-7738607519b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044149
StatusPUBLIC

Content hashes

Canonical text9fd3144d4ed5f1ba951b3832dd0c927bafeac07e75dafb9b46147a0593327106
Markdown3ec5e3e0a6eef546f767dc14798547e9e980fede83318938aba380e3525946b1
PDF
Publication pagea7da9bfc31d85dc58d050d6b584c754b259cbf60d1d318933c62abb61acd0793
Manifest47a842e361ee1aa5fb95a7045692f5a2a13e3a0b607f6a42c0924eac3aeb0292

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
SignatureVyM/IPR7DBnwrG2Kwigtrb4c6lxuhwsj1SQzVM2lGqkYVjXQNjQeVsSnpV3Z06KxyQUHOrc50JLET+oIVs+dDw==
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

2026-09-17T11:12:34.411885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044149
observed a7da9bfc31d85dc58d050d6b584c754b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:34.393478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044149/manifest.json
observed 47a842e361ee1aa5fb95a7045692f5a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:34.374094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044149/publication.md
observed 3ec5e3e0a6eef546f767dc14798547e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:34.353980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044149/publication.txt
observed 9fd3144d4ed5f1ba951b3832dd0c927b...
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.