OpenTechnical

OT-2026-000072801

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, 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-2026-000072801) never changes.

Identity and time

Publication numberOT-2026-000072801 · never reused
Internal UUID01a0ae92-89da-711e-9dd6-acbd94c2f94e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072801
StatusPUBLIC

Content hashes

Canonical text83a65e5d973dcd2dde42e37f50d5aa1ea0b9ddf1355810790cb997847820e40f
Markdownc51a73f792ff78e9ad64f5a46e3d198296745f1538bfa1088d3d266a3bee5e7d
PDF
Publication page3d75720290d3df94a0311b5aa82efce09ee4555b291e74f3dbcf417fd9503247
Manifest8df9a522eacdb288c6c7bcfda0e9155613feaa2352c94c574b3446c7f4495ed5

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
SignatureRnWjAosVAIKsNGB+dxM6Iqgej5tzS43vMunWPEWol5tUZwCksea1VcBTURCMVo0haNl/pMd9J/UCtZU7KK2ZDw==
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

2026-09-17T10:22:42.915126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072801
observed 3d75720290d3df94a0311b5aa82efce0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:42.899771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072801/manifest.json
observed 8df9a522eacdb288c6c7bcfda0e91556...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:42.884477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072801/publication.md
observed c51a73f792ff78e9ad64f5a46e3d1982...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:42.868019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072801/publication.txt
observed 83a65e5d973dcd2dde42e37f50d5aa1e...
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.