OpenTechnical

OT-2026-000045023

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, 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-2026-000045023) never changes.

Identity and time

Publication numberOT-2026-000045023 · never reused
Internal UUID01a0ae7c-f767-7500-bb9d-24dde01372c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045023
StatusPUBLIC

Content hashes

Canonical text8d32ee21cdf44672eeb8b7d6bb47242350fc988bb5727ce02860a44806aa4267
Markdown95bef6b9590f21ba41dd74496a919fc9a81a6f25a85d66a463dc4641f6d8fe44
PDF
Publication page28adc9f1183c50d57a91c0f086b995cb4014c96df60a62a3efedbc8803756a7d
Manifestdd065c17fa5b3bfdb2810d8cc7f8a4c21a01ca27f922fabfd8191c87ac8cee42

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
SignaturezEhYpvFKuRePwIUxqlnuLrNowzNPiLkjAYpinBb3LQ3kGbX1UmfozzFLs7e7zZiA3hK1QX8cPGqHCsJrHzBeDQ==
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

2026-09-17T11:10:02.043905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045023
observed 28adc9f1183c50d57a91c0f086b995cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:02.025629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045023/manifest.json
observed dd065c17fa5b3bfdb2810d8cc7f8a4c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:02.006400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045023/publication.md
observed 95bef6b9590f21ba41dd74496a919fc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:01.987476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045023/publication.txt
observed 8d32ee21cdf44672eeb8b7d6bb472423...
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.