OpenTechnical

OT-2026-000005928

Publication integrity record

Vacuum cup gripper, two outlet manifold, three stage ejector, pressure verified, contact triggered

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-2026-000005928) never changes.

Identity and time

Publication numberOT-2026-000005928 · never reused
Internal UUID01a0a949-7eaf-7554-9153-616f3bfcc00a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:16:01.202070Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005928
StatusPUBLIC

Content hashes

Canonical texta4213fcea3043799a83534d85f4bf65e6d870c59cbf78793f424a9a99ef9d936
Markdownd002d832d79d1a13be5c0f9f4a5cbfa1530ce0c8d403f1fa4a7ae3921556b561
PDF
Publication page03b8ec5db2eaeb977a6dc07f3bf41b1728803b7468ed30899bccd4dcc0f9c7fa
Manifestac2c97ae273bb7b19a7d89d5387729db493912b4ea879089ac7288c505d336e2

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
SignatureZ4M297ho7iRBUMN4n9XL8P4/t4Dr/I2MMSXtwjexdNsx0KrQa6SqC3M+81QOgU9q+bu2or+0YLUgHRw7q28eBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:16.405963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005928
observed 03b8ec5db2eaeb977a6dc07f3bf41b17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:16.393274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005928/manifest.json
observed ac2c97ae273bb7b19a7d89d5387729db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:16.375823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005928/publication.md
observed d002d832d79d1a13be5c0f9f4a5cbfa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:16.237467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005928/publication.txt
observed a4213fcea3043799a83534d85f4bf65e...
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.