OpenTechnical

OT-2026-000037783

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000037783) never changes.

Identity and time

Publication numberOT-2026-000037783 · never reused
Internal UUID01a0ae77-f889-7e7a-b6ea-3794b0ff7130 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037783
StatusPUBLIC

Content hashes

Canonical textf987239d3d82d8336c37e7fe8ba965ff3c37d19a28a5e4a8f46c04cd4b22432e
Markdownae356b4afa968bf5132eff343249d204939ea315187b1129974b335504b63f54
PDF
Publication pagefd9ed8d67967d4874291800090c4e2944a7703f66850413152176fea18d95a81
Manifest2b8c5431524d4f0278d86cc30a29db62d8e5559a0ac5c45cc0ddc4d6f59dc493

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
Signature0RsFz4QLnXkw4KFJ0Vj4w1K+yJvfbnvUVrSDfjEQuMvCqJOPfW+NIeGQV/6EdZFqGTv/T2czWoogvMy27eo7DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:23:01.124749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037783
observed fd9ed8d67967d4874291800090c4e294...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:01.106943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037783/manifest.json
observed 2b8c5431524d4f0278d86cc30a29db62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:01.059399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037783/publication.md
observed ae356b4afa968bf5132eff343249d204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:01.006972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037783/publication.txt
observed f987239d3d82d8336c37e7fe8ba965ff...
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.