OpenTechnical

OT-2026-000029567

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, pump fed, pulsed 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-2026-000029567) never changes.

Identity and time

Publication numberOT-2026-000029567 · never reused
Internal UUID01a0ae73-5e22-72d1-aab4-80a90f353c74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029567
StatusPUBLIC

Content hashes

Canonical text5fce2bfc052bfa251dcaff007441e441aabe7d94639a44c6afff1a527e1b16ec
Markdown1ebef2e1d5e1826bdf1a85035e683e85eb90fbf3c7600810fe8b86c8bebae6cb
PDF
Publication page84aed4118176b9e1ac866b2097031d08fe2a118ce47abef8bac0b276a3337769
Manifestd62aadaa67399372317d14a3b94b63b6777b25a10da7d8260d8665e717e28b74

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
SignatureZYbtJ4BiM+1ScgzcU6WaKQC0Zt33ENMExshyYLKosanHCX9noDE5mMS4GoU+gt+reFtQkU0b6BfI+kBOzpp9Bg==
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

2026-09-17T11:39:14.715686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029567
observed 84aed4118176b9e1ac866b2097031d08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:14.692839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029567/manifest.json
observed d62aadaa67399372317d14a3b94b63b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:14.672517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029567/publication.md
observed 1ebef2e1d5e1826bdf1a85035e683e85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:14.559472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029567/publication.txt
observed 5fce2bfc052bfa251dcaff007441e441...
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.