OpenTechnical

OT-2026-000042240

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000042240) never changes.

Identity and time

Publication numberOT-2026-000042240 · never reused
Internal UUID01a0ae7a-5d72-72d2-bc0a-0d9abd291248 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042240
StatusPUBLIC

Content hashes

Canonical textfb2aaff13c2514f3e4ea80835b94b510b0b0b7b4d1af8c8a669db16480dbb83d
Markdown1e1d693eb3afb0732ebb5d13f43a485f6890bbd8a46b86273d51660ece179858
PDF
Publication page6f6f12e3ababbdb1651cf94323e67689604d038a548dd7aa9e4d81cbfa60c89f
Manifest067d1f5b70b4fec6398c139e48d430b966e7113c5318fd22a91c57601ce80568

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
SignatureYNbWbUnuUdJZg3arPvu0qgyj7WZ1OZ83ARgOvwmhU4G8qtYIA5F5KGSCp8geDjlOdmq/UIMcoY8NOPsG3q2/DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:15:55.216477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042240
observed 6f6f12e3ababbdb1651cf94323e67689...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:55.197584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042240/manifest.json
observed 067d1f5b70b4fec6398c139e48d430b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:55.178916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042240/publication.md
observed 1e1d693eb3afb0732ebb5d13f43a485f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:55.159018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042240/publication.txt
observed fb2aaff13c2514f3e4ea80835b94b510...
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.