OpenTechnical

OT-2026-000058425

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000058425) never changes.

Identity and time

Publication numberOT-2026-000058425 · never reused
Internal UUID01a0ae88-f39a-7430-a7e2-a81fbdeee10f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058425
StatusPUBLIC

Content hashes

Canonical textac1b3c348a52841ec31a405008069a3eb2007fa989e5c87efdd415347d0e4a5a
Markdownab46cc0bbc2a0ad5a76988d71f81c3c174170e37f1db477cc1d62fefaec6e300
PDF
Publication page1a11f1193a2735a38ab49077a67cbd19d3a946b4c2c1df1061e3cdec963a9994
Manifestaabd35a903fafd1d5a246e05cd1f83ffa0ccf49e1d9c68e702d8f03a2de9c5d9

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
SignatureAAchKSEOpZRq+Jb2H8Ffm8T+1D03YS3j8jSUm/sxj1pDTT2GgzvwsfNZ1jJWGtzvoPwIZAO83TA46BXbxe91BQ==
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

2026-09-17T10:46:51.722676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058425
observed 1a11f1193a2735a38ab49077a67cbd19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:51.706314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058425/manifest.json
observed aabd35a903fafd1d5a246e05cd1f83ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:51.688054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058425/publication.md
observed ab46cc0bbc2a0ad5a76988d71f81c3c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:51.671550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058425/publication.txt
observed ac1b3c348a52841ec31a405008069a3e...
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.