OpenTechnical

OT-2026-000061178

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, vented after set-down, on a tool changer

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-2026-000061178) never changes.

Identity and time

Publication numberOT-2026-000061178 · never reused
Internal UUID01a0ae8b-1380-7f0f-9865-3f658bd62123 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061178
StatusPUBLIC

Content hashes

Canonical text0769704071db69b4aa55123293a0729b75e1aa684b2117da8b4fae44ee25e6fa
Markdownfd91eaad50467ef08082bf43af6b025ba91cbc001b24d6288231eb3bd541d13a
PDF
Publication page8cd92c42b6dd489128efc5d73aa761f276369b29998e80f0fdf9a3683d434037
Manifest12783ec42c89a99c58dd5daf9bad76098a5d8e2e031c51459191361cd9896f4c

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
SignaturepLf56iv7ZPPFrRZi+/bWvW9cJ/JsofS4wGNqKGET/KbojI5wDFyMfrv9MYkges38ZVS3l49/GzeR+z3iQZRLDA==
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

2026-09-17T10:42:34.197865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061178
observed 8cd92c42b6dd489128efc5d73aa761f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:34.178847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061178/manifest.json
observed 12783ec42c89a99c58dd5daf9bad7609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:34.160391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061178/publication.md
observed fd91eaad50467ef08082bf43af6b025b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:34.141316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061178/publication.txt
observed 0769704071db69b4aa55123293a0729b...
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.