OpenTechnical

OT-2026-000033073

Publication integrity record

Single cup vacuum gripper, pump fed, pulsed blow-off after 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-2026-000033073) never changes.

Identity and time

Publication numberOT-2026-000033073 · never reused
Internal UUID01a0ae75-4843-7070-86e5-a9d16be6bab2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033073
StatusPUBLIC

Content hashes

Canonical text8f05ea7d2c981c0369e39594ea2c088e62d5ea8af8ebeb6297708e2a3eb146b2
Markdown5289c0d2e255dcf2f42da8a4569d327a5cee18fd9fdd528eda4700538e405741
PDF
Publication page8985397468f17f489ed7fea0ce788afd32d84042c2f56a1defab9610da814b6c
Manifest174597ce76793bba1eedad53552973b5d0e839dd57af1925c67b0622b945decf

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
SignatureZoFS4cYNREPJ+gV14GKVvaEO7LIepmTCOEBcIm+q/RH4H8hwpfCt7bUE7T8PYpiKkgbKkJEXxzykEJRZCMEzBA==
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

2026-09-17T11:32:43.116864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033073
observed 8985397468f17f489ed7fea0ce788afd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:43.100237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033073/manifest.json
observed 174597ce76793bba1eedad53552973b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:43.084111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033073/publication.md
observed 5289c0d2e255dcf2f42da8a4569d327a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:43.067470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033073/publication.txt
observed 8f05ea7d2c981c0369e39594ea2c088e...
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.