OpenTechnical

OT-2026-000009170

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented after 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-2026-000009170) never changes.

Identity and time

Publication numberOT-2026-000009170 · never reused
Internal UUID01a0ae6b-31b9-782c-8bc5-bda1d693e6f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009170
StatusPUBLIC

Content hashes

Canonical textcf15ccedfa4cc1b636f6993c1d8471b65fa1a3bd6b12fa58fa91d0a7d316105f
Markdowncc518e64a781fb11d4382e137351f9bb5c9c24ff00ec2c648f48d404c3cc93f0
PDF
Publication page921d5991491ee11121319bd2ccadee6ca7a14e408229428181ce740514a07f7b
Manifest7d2c3924b43cf75019a4c56a34921b92c5bfa2008e5681103906f02c40fdbd94

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
Signature8TtmdI7d6r2kP9yc1No93HnPBAVT0q1i5KbdLCecA89uIV2bvNKpciS6VS8+Qj32yIzoaIg9352aD/WFhM0PDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:52.593337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009170
observed 921d5991491ee11121319bd2ccadee6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:52.572629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009170/manifest.json
observed 7d2c3924b43cf75019a4c56a34921b92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:52.554710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009170/publication.md
observed cc518e64a781fb11d4382e137351f9bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:52.536484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009170/publication.txt
observed cf15ccedfa4cc1b636f6993c1d8471b6...
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.