OpenTechnical

OT-2026-000048047

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000048047) never changes.

Identity and time

Publication numberOT-2026-000048047 · never reused
Internal UUID01a0ae7f-c423-7549-bd54-39bbe75088ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048047
StatusPUBLIC

Content hashes

Canonical text6ca77232d790044bca432d160aa899c434281cded173dc15f12ad05406995ce4
Markdown6f011701fbc3942af937b6ac9b0dd56b9dd8f83467a6941069182294e40fe953
PDF
Publication page6abea0f56a528f7d4f451e71bf0382ead136a7b8a63be55d177eaec7cbb1109b
Manifestad7558f7036e33fd9657b8a7dff25efd960a99f96a9a472b6b6442c5b078e8d8

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
Signature+UI2Lb+klY3fWKO1kmqBDvjUlLCO5tViYVPLZuP1xQQOTxv+zEcHmvarYt0C4n/GTbw/DiN7HYX96QYw7Pz/Cw==
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

2026-09-17T11:06:03.120879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048047
observed 6abea0f56a528f7d4f451e71bf0382ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:03.100967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048047/manifest.json
observed ad7558f7036e33fd9657b8a7dff25efd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:03.081796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048047/publication.md
observed 6f011701fbc3942af937b6ac9b0dd56b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:03.062624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048047/publication.txt
observed 6ca77232d790044bca432d160aa899c4...
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.