OpenTechnical

OT-2026-000038754

Publication integrity record

Foam pad vacuum gripper, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000038754) never changes.

Identity and time

Publication numberOT-2026-000038754 · never reused
Internal UUID01a0ae78-769e-75ba-a8d5-4caa8e7100c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038754
StatusPUBLIC

Content hashes

Canonical text2ffd4b72f282c938a4ed97a05a997e10765ccfd680f29b45f942d8d35eb2c0e9
Markdownd0ac2747f007ac677a1e305d2d132776166652ae45d077002fc31c8b8b4e52f7
PDF
Publication page734d7116e4060f244c9d530c21f17fe7f8f44e7798ad3b8faedaff8c87c523f4
Manifest34d84ad370a0a84438a9b49c95e33ea18e8d24b4fa0bdf5a4748b85920596b97

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
Signature93zacsK+Bp+xzyEbI+q6QIOhwuRDs9PDuf+6zyUdgyfSSjHCvyAd4xjvuLzqpEnlrrOVviyGQrkS2HuFJ5zuCA==
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

2026-09-17T11:21:17.464889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038754
observed 734d7116e4060f244c9d530c21f17fe7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:17.445499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038754/manifest.json
observed 34d84ad370a0a84438a9b49c95e33ea1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:17.425555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038754/publication.md
observed d0ac2747f007ac677a1e305d2d132776...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:17.406151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038754/publication.txt
observed 2ffd4b72f282c938a4ed97a05a997e10...
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.