OpenTechnical

OT-2026-000059617

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, 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-2026-000059617) never changes.

Identity and time

Publication numberOT-2026-000059617 · never reused
Internal UUID01a0ae89-ec24-71aa-b5bd-be356e3a3939 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059617
StatusPUBLIC

Content hashes

Canonical texta6f4a0b49ab4a9162ae6f92ea3e4bd202c7ef241a0477fafdcbfc25404175865
Markdownb323dad764b8e7e9d5bd6d22161abfce2a992c68938c2133546d7989600b09cb
PDF
Publication page1ad5f9aaf6f568b7378c03d198b638edd5baa949b45e30dc161c4b349e0e3feb
Manifestab22d2da1973d242cd8ffe9d1c57e25848d7d74a91a1bfdb69637c174af72be0

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
SignatureVQuhMgcFANu2JHBNqCTF23zoQUEuLVjg1xOdIyygj3l73PPhiA8FTtVv7r7rFovDidSfBboT8Z63pGuE5wv2DA==
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

2026-09-17T10:44:16.542885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059617
observed 1ad5f9aaf6f568b7378c03d198b638ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:16.525036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059617/manifest.json
observed ab22d2da1973d242cd8ffe9d1c57e258...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:16.507018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059617/publication.md
observed b323dad764b8e7e9d5bd6d22161abfce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:16.489333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059617/publication.txt
observed a6f4a0b49ab4a9162ae6f92ea3e4bd20...
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.