OpenTechnical

OT-2026-000070473

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, supply line pressure sensor, 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-2026-000070473) never changes.

Identity and time

Publication numberOT-2026-000070473 · never reused
Internal UUID01a0ae91-545f-7bbf-9cac-a6218f843370 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070473
StatusPUBLIC

Content hashes

Canonical text2a9e59318003188aaf2357303f73fbf6581085036ea520221d8022349ba327ad
Markdown7b3caa3ceee0b5bf5b392c45ba12baeaf17830742e64cd010d05a4a1c1733dc1
PDF
Publication page9bf9725dce872bf3eacfacf7021a62d6340356f20954794e5f952b5e88d3dd3d
Manifestf5a78e7f6ef046b213efce7fec469274e2e33318deb5d452c9fafe685213a9a1

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
SignatureJb/RWQr1Aiy6eR65ox8Q5i5oMhLtFW1x1aN1t3pW3Ftk8Ttd1ojifKnoq0SM/GsjrwId0R+uM05NENPBIa+jCg==
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

2026-09-17T10:26:18.234264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070473
observed 9bf9725dce872bf3eacfacf7021a62d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:18.215625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070473/manifest.json
observed f5a78e7f6ef046b213efce7fec469274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:18.194997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070473/publication.md
observed 7b3caa3ceee0b5bf5b392c45ba12baea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:18.174113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070473/publication.txt
observed 2a9e59318003188aaf2357303f73fbf6...
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.