OpenTechnical

OT-2026-000006465

Publication integrity record

Vacuum cup gripper, three zone face, three outlet manifold, pump fed, vented 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-2026-000006465) never changes.

Identity and time

Publication numberOT-2026-000006465 · never reused
Internal UUID01a0a95c-366c-7710-a227-b00eb2f2f557 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:36:27.888165Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006465
StatusPUBLIC

Content hashes

Canonical texta16297204e5e4785226ae2bdaad89b0a54ad2f2bbdd50bb11f3ada5703d7d877
Markdownd7eaced06150848fd540f78600fe8db7152a1ea68142f4a7b36a248cc0c1c590
PDF
Publication page27df5fe610943d6858786c5b26ce7e951e36a06b6caecb608b2c364ddc23c4d4
Manifestcc3805c9de27d90a311210c21d38eb55a5d471e7d2a5c31a93bb672f348ea1e0

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
Signature3W3elwhooELSKfYgDWJ5pTGPbt9trkLDiXLGd7yJPDa8hWuLEhZZ02uB5+Ob/vAi6Xlj2xwqhjKhWYihLma3Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:14.472854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006465
observed 27df5fe610943d6858786c5b26ce7e95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:14.458752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006465/manifest.json
observed cc3805c9de27d90a311210c21d38eb55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:14.442894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006465/publication.md
observed d7eaced06150848fd540f78600fe8db7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:14.428045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006465/publication.txt
observed a16297204e5e4785226ae2bdaad89b0a...
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.