OpenTechnical

OT-2026-000038842

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000038842) never changes.

Identity and time

Publication numberOT-2026-000038842 · never reused
Internal UUID01a0ae78-769f-7e26-b234-14db73faa436 · 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-2026-000038842
StatusPUBLIC

Content hashes

Canonical text5c77c048c9670266c1595cb9289d8f96c9db0ed5370c4cb2e2cc84710c3cd7ee
Markdowna72c72042fe4623938a30f991e62f97c228911063ca6edc71620ffc6af34644e
PDF
Publication page2eb9f2423de3326ee767b38ed5e2091ddb9a0326b16124006250e3b0d3abbaf8
Manifest85c5703ec72691585f88e49ce5d382e69173d8ab10da4ecca0d3bfc9012ef106

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
Signaturedf/alFHNhK4MFPiVid/AHAU++5LooGGx0fBOGGQGUBQMzQPw/PPTs0UhJZA45fQpFXj1DPk2h3rAk0FFgcoEAw==
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

2026-09-17T11:21:24.673493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038842
observed 2eb9f2423de3326ee767b38ed5e2091d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:24.654608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038842/manifest.json
observed 85c5703ec72691585f88e49ce5d382e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:24.635711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038842/publication.md
observed a72c72042fe4623938a30f991e62f97c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:24.616093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038842/publication.txt
observed 5c77c048c9670266c1595cb9289d8f96...
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.