OpenTechnical

OT-2026-000068659

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000068659) never changes.

Identity and time

Publication numberOT-2026-000068659 · never reused
Internal UUID01a0ae90-2483-7510-8d00-bec408cd89db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068659
StatusPUBLIC

Content hashes

Canonical textaedd9b505ffc4474db9cc7221b5a3e9e32d8b5aa8f6c6b360e292ccc9de149a0
Markdownc66aac20cb1354bd752e26c1840e570e082633d59fd8f3bd8062686dccc932d9
PDF
Publication pageee680a9c808585e7c7f36c79c2e0bcaa4dae7890524ba6a952c5e1db5e869435
Manifest85964cb8986c2cce944583872c63342e2a599d4244c6018546380c58c04df676

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
SignaturezQpSeBu94HxxT//z4XobYhVh06Kk6NfZDd7ZRpp7IKdX8JJWT3zEZJBR7grYrVJHs5VBcyyI22uvjqXaIbZiAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:51.323924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068659
observed ee680a9c808585e7c7f36c79c2e0bcaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:51.306737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068659/manifest.json
observed 85964cb8986c2cce944583872c63342e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:51.288265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068659/publication.md
observed c66aac20cb1354bd752e26c1840e570e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:51.269278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068659/publication.txt
observed aedd9b505ffc4474db9cc7221b5a3e9e...
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.