OpenTechnical

OT-2026-000056366

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, 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-2026-000056366) never changes.

Identity and time

Publication numberOT-2026-000056366 · never reused
Internal UUID01a0ae87-4bd2-7fb2-9c27-754e3b62d77a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056366
StatusPUBLIC

Content hashes

Canonical text50631978ea629126df625f0ac886298389abba5e0feb421bb2a5f947c8bcd4af
Markdown76729db2c60b5c4104c98514d00b033b41316b1b9c053e9ae21cd2d328d0f44b
PDF
Publication page15bf330052f77bf9058bf6bdd01355f7b53a3a38d8aa95c7581a2c57c1cf9e67
Manifest15136081433d42bf8b876c885ca7c658f1ebd18dd19c6df1520116bad920d3d0

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
SignaturepbaqzPV7MxLY+DlLd1bG1CMaoNzrvYOWsXhexgKIipmoB6sQL4ef17zupxgm0kw4vCJZj1ZYxY5+Di1OZCAPBQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:52.929313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056366
observed 15bf330052f77bf9058bf6bdd01355f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:52.909663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056366/manifest.json
observed 15136081433d42bf8b876c885ca7c658...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:52.889599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056366/publication.md
observed 76729db2c60b5c4104c98514d00b033b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:52.871574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056366/publication.txt
observed 50631978ea629126df625f0ac8862983...
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.