OpenTechnical

OT-2026-000100709

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000100709) never changes.

Identity and time

Publication numberOT-2026-000100709 · never reused
Internal UUID01a0aea3-66f4-72d9-9cde-78b98d502e09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100709
StatusPUBLIC

Content hashes

Canonical textb9428f86fb02e98c281319832e19ee7a0c5cf158066c77e74f71c1345f43b0f4
Markdown01cda15d34226b2bde92b740f8280afbb6218b05cc1244ed218e54c1aff14dba
PDF
Publication page4dbc284e857f829e2c946e383a672e61fdbfda94017fed7ec184fabee3cfa426
Manifestb0c5554568284b1daab91bd2e69efa798ed8f07226707e168fafe8d91032f35b

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
SignatureWVAPbmJD/mLx1MhwBGYrO3f3EOxnzDGOoDs15Uin55f335hfZrrUZTD6Mz1I8Kr6qxlE4GwFEdMuYd3n224UCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:31.817198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100709
observed 4dbc284e857f829e2c946e383a672e61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:31.799203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100709/manifest.json
observed b0c5554568284b1daab91bd2e69efa79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:31.781118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100709/publication.md
observed 01cda15d34226b2bde92b740f8280afb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:31.763585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100709/publication.txt
observed b9428f86fb02e98c281319832e19ee7a...
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.