OpenTechnical

OT-2026-000061850

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump 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-2026-000061850) never changes.

Identity and time

Publication numberOT-2026-000061850 · never reused
Internal UUID01a0ae8b-b8ac-73aa-b218-34e1d3b435cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061850
StatusPUBLIC

Content hashes

Canonical text4e9cd7e71b563daa672b4db45559af84939f230d70fc50ba205f33ada24a901f
Markdown07a2d3b089e868b37a8001b1baad3e8041c8310f25a0111d179ce8aa543891cd
PDF
Publication page647e2707e94f3c78ef47f5321f34557f778a379433e7b7afe4e686f1bdb49017
Manifest74b610153d1caba24267b0ff69aa96bad56629f1203f537ed219b78ee243eb3c

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
SignatureC3X+tK9idHT7ynYYhV4dC4/Z3kOa5oTPEypc/GqmBi0YniBVCWSxACTNupzKJDYRb9jGMTag4+b3QbV+njv+Cg==
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

2026-09-17T10:40:42.138528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061850
observed 647e2707e94f3c78ef47f5321f34557f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:42.119255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061850/manifest.json
observed 74b610153d1caba24267b0ff69aa96ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:42.098749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061850/publication.md
observed 07a2d3b089e868b37a8001b1baad3e80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:42.078771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061850/publication.txt
observed 4e9cd7e71b563daa672b4db45559af84...
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.