OpenTechnical

OT-2026-000008552

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, two 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-2026-000008552) never changes.

Identity and time

Publication numberOT-2026-000008552 · never reused
Internal UUID01a0ae6a-e46b-7dbd-acde-c0afa135ed78 · 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-2026-000008552
StatusPUBLIC

Content hashes

Canonical textd87cffea9642843ac807c404ea73af80fc733c19a2ca5cc424c4664ef35dc11a
Markdown8da44215f6999482bb502551ddb9e23301eb443d557f62b2b9891c690ec7a3df
PDF
Publication page6bdf488f129392f57fb56746a4e3f811a5699481f930a1ac959ebf312cf1b65e
Manifestb63786bcc77e2060838303fb7b7fe1c71f0a3060a7f949159615d5e987de746e

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
Signature2/GAlkJ7RBAhCNQ/ZcPCezJpgBVeHQ8Gq5XaP4y7rqtgz+c1vat+nQxO8+mCQkfkTq0ifEuxyOGXbmoxi05dBw==
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

2026-09-17T12:18:29.024850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008552
observed 6bdf488f129392f57fb56746a4e3f811...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:29.000274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008552/manifest.json
observed b63786bcc77e2060838303fb7b7fe1c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:28.977828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008552/publication.md
observed 8da44215f6999482bb502551ddb9e233...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:28.953668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008552/publication.txt
observed d87cffea9642843ac807c404ea73af80...
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.