OpenTechnical

OT-2026-000073832

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000073832) never changes.

Identity and time

Publication numberOT-2026-000073832 · never reused
Internal UUID01a0ae93-2b8d-75f3-946d-1e9367c13b20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073832
StatusPUBLIC

Content hashes

Canonical text90cd4dd9265e7c5a214e77ea9828999ac5c1ab3ba59a623ccd5a25cd8d1e9674
Markdown22a03bb9763f1dbd169d1d30b2dbff840d6f2a4199ac6ca9bda6254b47725209
PDF
Publication page32b642c25f06310c515f9edfac1a89c3c051fae1bcf13c2607fddac260cac614
Manifest2d1636f6a1cf1cd74eccd421ca2a356ca60152e1b2849a6b9c5adfe3f0f1936f

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
Signatures880loA4wImUZrtViP9nDSS8hVMJOXE5qek0ZOsH2annhE3y05XEDMfL32L6pI59txs9nqYGc3rRQTwmpl6YAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:57.380608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073832
observed 32b642c25f06310c515f9edfac1a89c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:57.362061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073832/manifest.json
observed 2d1636f6a1cf1cd74eccd421ca2a356c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:57.343844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073832/publication.md
observed 22a03bb9763f1dbd169d1d30b2dbff84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:57.325776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073832/publication.txt
observed 90cd4dd9265e7c5a214e77ea9828999a...
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.