OpenTechnical

OT-2026-000055507

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000055507) never changes.

Identity and time

Publication numberOT-2026-000055507 · never reused
Internal UUID01a0ae86-a102-7d4b-90f0-8cf30c366572 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055507
StatusPUBLIC

Content hashes

Canonical text83f2f64eb16f95398c8772644a949e409314658ec37d344dd8dd123c6bb102fb
Markdown29ca77a2ec4aa90a619623d2263eb8601da3ae8055fba95d7510e6e938ce1ae2
PDF
Publication page9bb4a0cfcc19ce17c43c4c61e548b29a8bcbe9388cde70e905c58c665d1e3866
Manifest6867563da90f5cf32043197d7eaa141acbd98198601be17c6e6f69e3f45dcbc1

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
SignatureRB1neFfKUT4dfZSzBiZGQ8iLYSdpv7vMsTPPYNvCqcSeiP5oAPKmdt5qZ4FSjs4AsF2t/9rIurKYhALlbeXzBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:10.765309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055507
observed 9bb4a0cfcc19ce17c43c4c61e548b29a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:10.748569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055507/manifest.json
observed 6867563da90f5cf32043197d7eaa141a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:10.731123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055507/publication.md
observed 29ca77a2ec4aa90a619623d2263eb860...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:10.713448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055507/publication.txt
observed 83f2f64eb16f95398c8772644a949e40...
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.