OpenTechnical

OT-2026-000048143

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three 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-2026-000048143) never changes.

Identity and time

Publication numberOT-2026-000048143 · never reused
Internal UUID01a0ae80-4de1-7ae2-999a-c746fae7195c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048143
StatusPUBLIC

Content hashes

Canonical text63de3730dd3ccdcf7dc60c3161df9eaaadb3beaa22a9e996f194fefd8975e9d4
Markdownd5e034879f63f1cb642b4edd3db956fd9a472bdf3c8a6a39f0a5e6a2e74ed196
PDF
Publication page37652bae15f6d9fb2d75e08b7d4c723e7c1cee7c2ec742d103e0eb7eea99cdd0
Manifestf10e5a6500aeb802d99338e45e2703ae42ba5e335ac1f674f525a16d22dce424

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
SignatureevRqHX+8mwnWNE0r9DNFva9POO7jA/w2M5xvVZUuB8ugCkiHcROwvCXW7adBSgbfMiyZgzOOxO8+RRALlNTaDw==
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

2026-09-17T11:04:39.992064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048143
observed 37652bae15f6d9fb2d75e08b7d4c723e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:39.973672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048143/manifest.json
observed f10e5a6500aeb802d99338e45e2703ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:39.955080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048143/publication.md
observed d5e034879f63f1cb642b4edd3db956fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:39.935719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048143/publication.txt
observed 63de3730dd3ccdcf7dc60c3161df9eaa...
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.