OpenTechnical

OT-2026-000031651

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, 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-2026-000031651) never changes.

Identity and time

Publication numberOT-2026-000031651 · never reused
Internal UUID01a0ae74-bad0-702b-9306-04d1f3b26615 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031651
StatusPUBLIC

Content hashes

Canonical text2fd395c2462fd451579f8a47f7a9933b843651eb60e909cb6f68fdc1c8d54ddd
Markdownfc49b12d4f85bd02c538bec25d6a800476e3fc079783e4f911d87155c99b7268
PDF
Publication pageb89b6098a37f95c999c19eec1de84b9cbd1d3e00842fc2d5cfa37f4679664c7c
Manifest227dce55646df16be4eefe05fd59887f6b3dd9b9cd98ac71912b1c869d168417

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
Signatureos1zbkaboel+QOJTPjuSMeQLtY+szWoJyX/8rkCfNf+JEjwuuF28CBZoOAThLMS3x50MYZ/wlo2Kk8OcEpPOAw==
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

2026-09-17T11:34:42.504853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031651
observed b89b6098a37f95c999c19eec1de84b9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:42.486857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031651/manifest.json
observed 227dce55646df16be4eefe05fd59887f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:42.469098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031651/publication.md
observed fc49b12d4f85bd02c538bec25d6a8004...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:42.452074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031651/publication.txt
observed 2fd395c2462fd451579f8a47f7a9933b...
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.