OpenTechnical

OT-2026-000065857

Publication integrity record

Four cup vacuum gripper, four 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-2026-000065857) never changes.

Identity and time

Publication numberOT-2026-000065857 · never reused
Internal UUID01a0ae8e-46fc-7dec-a1f2-231ddcc722c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065857
StatusPUBLIC

Content hashes

Canonical textf2499de04bcfb155c90929173875a87cca35a112fd71163885955a57608435a2
Markdown2d2aaa4fda351b9b2a7cd1abd751de7f9784d02d3e3adbd2384c596e9bf79bad
PDF
Publication page2d8e3da038f3c5f03f5c878486deb19cc1a30771d676b39ff4ddc731927b719a
Manifestcf369824764985f4636481fcdfcf8623aa21c2e7945e628b66ce96b9af9ad04d

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
Signaturepm0NUo74GEUnfQoEu79JPSdH19XCgtAHnkZWelNJzPy4y/QmD85neqkQaJRx5NhlWVtGHbca0LyETFtOaeimBQ==
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

2026-09-17T10:34:18.914183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065857
observed 2d8e3da038f3c5f03f5c878486deb19c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:18.897689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065857/manifest.json
observed cf369824764985f4636481fcdfcf8623...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:18.882273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065857/publication.md
observed 2d2aaa4fda351b9b2a7cd1abd751de7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:18.865869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065857/publication.txt
observed f2499de04bcfb155c90929173875a87c...
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.