OpenTechnical

OT-2026-000018626

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000018626) never changes.

Identity and time

Publication numberOT-2026-000018626 · never reused
Internal UUID01a0ae6e-d520-768f-b467-dedf03adaaac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018626
StatusPUBLIC

Content hashes

Canonical textacf0480aae7fc7a544b77f8f4daf434ea734f8672e880d18594d05679589ea99
Markdown8fa5285f3426ad5da62c689dbd530af688762fe809fa86c7435fddda67ff423d
PDF
Publication page00c05f6d80ed846b8bedd6b2df6f7fd9d75a8b307a570ab1ebf990f8d6ca8207
Manifest7f0bea9038cf054095a12aa7492e2f53d1f34384bb712882105fa196ac027746

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
SignatureoE+dTBCfd/zXVdBHVH3nipRp4kYLgGF11sQCDbkDyQp6bczX4PWR8rBTYGMNvW+wXHygau4CpUstC5iV251BDg==
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

2026-09-17T11:59:04.893618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018626
observed 00c05f6d80ed846b8bedd6b2df6f7fd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:04.876463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018626/manifest.json
observed 7f0bea9038cf054095a12aa7492e2f53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:04.858486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018626/publication.md
observed 8fa5285f3426ad5da62c689dbd530af6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:04.839231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018626/publication.txt
observed acf0480aae7fc7a544b77f8f4daf434e...
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.