OpenTechnical

OT-2026-000093099

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump 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-2026-000093099) never changes.

Identity and time

Publication numberOT-2026-000093099 · never reused
Internal UUID01a0ae9e-0910-73ee-969e-d6489b1b5d90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093099
StatusPUBLIC

Content hashes

Canonical text8b9653dabb7fd9c30d847bceb85a8db16fdad4bafb75734cd8ac2564f5b29c24
Markdownc2b4287f84e2774cf675b09f961b59d83a96b58df827800381173990e6c4de88
PDF
Publication page79bc6792d783e2042ec1396995cfa5c71af000d011004c9754c337ee78524b24
Manifest4925289fa72bb536ae3e271536d4d1824c629768f79521657a7d021175122491

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
SignaturemqPcEZw/Io6si4WTYjFIPsKF6XFYPndzCUcMix79KwRB9r3wXQKdzHON/MYwpvNcgatYumZjxaZETFdZk/tvCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:40:21.171336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093099
observed 79bc6792d783e2042ec1396995cfa5c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:21.155587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093099/manifest.json
observed 4925289fa72bb536ae3e271536d4d182...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:21.137305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093099/publication.md
observed c2b4287f84e2774cf675b09f961b59d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:21.102662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093099/publication.txt
observed 8b9653dabb7fd9c30d847bceb85a8db1...
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.