OpenTechnical

OT-2026-000008553

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, pulsed blow-off before 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-2026-000008553) never changes.

Identity and time

Publication numberOT-2026-000008553 · never reused
Internal UUID01a0ae6a-e46b-7dfc-8347-770696e9c201 · 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-2026-000008553
StatusPUBLIC

Content hashes

Canonical text133eb7f55faf4eed85a976cb68ed7b2bd9df99ae4aea9cc066acd62dc64a1a60
Markdown8125164b0cdff222277582c7318a5c74c2a9cfce10296ecd01bc38c042c6c99b
PDF
Publication pagefe867c1d85a4f79d3005c4e6cf2b4e8b5f695064d203182e8bac159a839ba064
Manifestc902ff7ef476212cfe10ca14622391efa5e3ac398dceb8e14a34474fc4de221b

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
SignatureBRyKQneNG+gDG7+XnQ2Gt23O3c4M55lcmR845CywSI/Ik1hs3nGWJua/IKcleQzuajcq5KSOZRFyFLqwx46wDA==
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

2026-09-17T12:18:29.114645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008553
observed fe867c1d85a4f79d3005c4e6cf2b4e8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:29.091520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008553/manifest.json
observed c902ff7ef476212cfe10ca14622391ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:29.070987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008553/publication.md
observed 8125164b0cdff222277582c7318a5c74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:29.048218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008553/publication.txt
observed 133eb7f55faf4eed85a976cb68ed7b2b...
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.