OpenTechnical

OT-2026-000034944

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000034944) never changes.

Identity and time

Publication numberOT-2026-000034944 · never reused
Internal UUID01a0ae76-1ed3-7608-8c02-711d1db036a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034944
StatusPUBLIC

Content hashes

Canonical text4350e22066f658bc4a5fedb8a90b7061e7cbf4ff3901c5c025c210db2512f1db
Markdownbab1ec97626d8c1b27ab67ef16c657fbc482ad80535ab7f26c5e0d844930acd1
PDF
Publication page1b89c3925924c4d8b5035faf6d298e72d4f667caa723718648906c8bc381a29b
Manifestd43674881696ea38f93fb1a504c0a646ccbce4dabc225962b64364754dcde2ab

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
SignaturecfkGSTopnSiXJ7hplXfQIMGOh+fSf/G2ToTkAE85mwpprQI3kphz4mKYExwrmnuf8xWoI56SFxk6iK6jMUcbCw==
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

2026-09-17T11:30:44.327729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034944
observed 1b89c3925924c4d8b5035faf6d298e72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:44.311436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034944/manifest.json
observed d43674881696ea38f93fb1a504c0a646...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:44.294599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034944/publication.md
observed bab1ec97626d8c1b27ab67ef16c657fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:44.276168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034944/publication.txt
observed 4350e22066f658bc4a5fedb8a90b7061...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:59.038908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034944
observed 1b89c3925924c4d8b5035faf6d298e72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:59.022323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034944/manifest.json
observed d43674881696ea38f93fb1a504c0a646...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:59.002266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034944/publication.md
observed bab1ec97626d8c1b27ab67ef16c657fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:58.983022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034944/publication.txt
observed 4350e22066f658bc4a5fedb8a90b7061...
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.