OpenTechnical

OT-2026-000012920

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000012920) never changes.

Identity and time

Publication numberOT-2026-000012920 · never reused
Internal UUID01a0ae6d-5564-7667-bf8a-3947d8ecd2b4 · 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-2026-000012920
StatusPUBLIC

Content hashes

Canonical text744160aae53e67bb53af4f96d99d38486fb351bfcf5ee735f70ceb6842c54871
Markdown7c23ed98bb1fa6f1366dde44648c65272017e36de330817851e6f09c122e8615
PDF
Publication page6b636289dfe90066c240b53b88c2a044a973d31d22724e1ded39efbef7410b53
Manifest8e19095ae46d20e2c1afdcd135c34074136dd6050a2694358bf5496eb105c1b4

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
Signaturem4GhHqCV3HT5NGxmzQ/+rWDjtZtvANUWOJMXcrVCyjTt0SdAZSRrKOgui/tfYF5q9PNs/UOWLVJVJpWUb9yqDA==
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

2026-09-17T12:10:42.871702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012920
observed 6b636289dfe90066c240b53b88c2a044...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:42.850761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012920/manifest.json
observed 8e19095ae46d20e2c1afdcd135c34074...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:42.828274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012920/publication.md
observed 7c23ed98bb1fa6f1366dde44648c6527...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:42.808638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012920/publication.txt
observed 744160aae53e67bb53af4f96d99d3848...
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.