OpenTechnical

OT-2026-000012909

Publication integrity record

Single cup vacuum gripper, common isolation valve, two 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-2026-000012909) never changes.

Identity and time

Publication numberOT-2026-000012909 · never reused
Internal UUID01a0ae6d-5563-7386-8389-d888f4f2ad61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012909
StatusPUBLIC

Content hashes

Canonical text7e42f6bcc104497132678795bff1965a419586f0413373f181d866c7d85eb1de
Markdown74f65db714eb75f7c391fc1480d5095256db0d14ba4022a45accb144acc36817
PDF
Publication page17181e22fd47a749c9d3bc85dca86d0a06882fea0237aba44725d8d3b298d676
Manifest96891fcb2856201a70207cb37f3380e0e91b26ad4f2d4d36b769722cd61937ea

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
SignatureqxtTZpEpBg1/yjP1vJEPjywrCEjol+FUlCgXsbsSlqkDdPdmImh97mqRM1BeIzPHyJ3ohcOaJCq5kV0jHN6ICA==
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

2026-09-17T12:10:42.053888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012909
observed 17181e22fd47a749c9d3bc85dca86d0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:42.033444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012909/manifest.json
observed 96891fcb2856201a70207cb37f3380e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:42.015593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012909/publication.md
observed 74f65db714eb75f7c391fc1480d50952...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:41.997895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012909/publication.txt
observed 7e42f6bcc104497132678795bff1965a...
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.