OpenTechnical

OT-2026-000008567

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, supply line pressure sensor, 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-2026-000008567) never changes.

Identity and time

Publication numberOT-2026-000008567 · never reused
Internal UUID01a0ae6a-e46b-7ab5-9a90-2e9b03aa5ce0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008567
StatusPUBLIC

Content hashes

Canonical text9187485786950eeec371145744756f922d392a30b5203a3938285ef7c073a8ad
Markdowna98d39bfac066a4a09042b89c512591f5ab9b1d96c903722d342255925000db0
PDF
Publication page98085d3ba3033d2e2e31ef8974ec4f72b389364af9a050d56f7bb7860db9ef9e
Manifest8ac6090026f4f18bb6e27313e249fc5695f4b9a0c18fc2862bb487242577b1ef

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
SignatureJhj6ocOhX3LSFw2ALj94IdD+CiZa8P2QwD/Rj5f5dl4QO46bA0gETqujllMnzNMSqcsH4RFh7CE/EYx2X11KCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:30.427271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008567
observed 98085d3ba3033d2e2e31ef8974ec4f72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:30.407618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008567/manifest.json
observed 8ac6090026f4f18bb6e27313e249fc56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:30.387453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008567/publication.md
observed a98d39bfac066a4a09042b89c512591f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:30.368830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008567/publication.txt
observed 9187485786950eeec371145744756f92...
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.