OpenTechnical

OT-2026-000057633

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000057633) never changes.

Identity and time

Publication numberOT-2026-000057633 · never reused
Internal UUID01a0ae88-2694-714c-96c2-5843f69b9252 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057633
StatusPUBLIC

Content hashes

Canonical textdd12f9443f8389570280ec2fa5c1f7abbb3e41a4b8d26dfed4a4bdc2e0a27967
Markdown65f8a8ca159f6f3c74ed83b2a6b3010a3e598a941fb109760a3479fbf18b0e49
PDF
Publication pagee4c4b7d8d0701e359ad7030442b6f99f1e81810d216f4a26c03738218525b487
Manifest598ece6e2645d73d49150d114194f0e99bec9c4a2f7ae559512b664a713e195b

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
SignaturefV6rlIl63R9HXgZTU5NEoJ9Ii0gieNB9X1p4OAoIECtS/SuKKpj+J8tSfJL/hF4pfDYhjXIY49o8ZqrSqc6oCQ==
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...

Independent retrieval

2026-09-17T10:48:11.710432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057633
observed e4c4b7d8d0701e359ad7030442b6f99f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:11.691646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057633/manifest.json
observed 598ece6e2645d73d49150d114194f0e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:11.672124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057633/publication.md
observed 65f8a8ca159f6f3c74ed83b2a6b3010a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:11.653660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057633/publication.txt
observed dd12f9443f8389570280ec2fa5c1f7ab...
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.