OpenTechnical

OT-2026-000063114

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000063114) never changes.

Identity and time

Publication numberOT-2026-000063114 · never reused
Internal UUID01a0ae8c-94aa-70c9-ad27-6fddb7aebae1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063114
StatusPUBLIC

Content hashes

Canonical text24e29f843182ef916b9ed4ff077bd5e85a87b741907418403b8f6772d1e7c119
Markdownd88776d5e910ab7d5771644c17ceae1d609d1e4099e5c67d2ebe79123082ac9a
PDF
Publication page469e300848f11935e1dcea87620656ee67187c70dd00fd758263c76fccb23e9e
Manifestddcf96cc08d0e03b54ab4db6ac4a73d73ae9e6e62a2a9ad58db65ece3527256f

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
SignatureiIectM6TCkSTnMmKaOPaRgPxrVnuzMs/IdpuNIC/qMCOS9NX655r4HQUgaGP8C03o3E6QbpM+o4ajqsbIOwHBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:38:53.491580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063114
observed 469e300848f11935e1dcea87620656ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:53.472810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063114/manifest.json
observed ddcf96cc08d0e03b54ab4db6ac4a73d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:53.455556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063114/publication.md
observed d88776d5e910ab7d5771644c17ceae1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:53.438960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063114/publication.txt
observed 24e29f843182ef916b9ed4ff077bd5e8...
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.