OpenTechnical

OT-2026-000059260

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained blow-off 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-2026-000059260) never changes.

Identity and time

Publication numberOT-2026-000059260 · never reused
Internal UUID01a0ae89-8613-7138-bf49-3207a3ccafd8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059260
StatusPUBLIC

Content hashes

Canonical textbc234cdad0afc768e6d54552a09dfcad9dcee24e1493d17ee4920854ecd91182
Markdown20bf972d5fa8a550bf12887286b3921e5d0cd93d29f6960eef3a9b0c570ca4bc
PDF
Publication pagebe722ac9fd6a360cafac82ba1c00a843baadd050bf620deeebb3e2e2b2c190aa
Manifestcb63f3798e2c21007af2c67f72b7cb4276d2ad546eea9a2aa3a487ea69f0924a

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
Signature9EGc1VrdvZ7Q4xEW48wukyIZfOhrMLu8nLx+fcKJaWn0KHAAiF17wBot9lqNgvLdEXcS8n5xHDklXY90Z2UBDA==
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

2026-09-17T10:45:47.239557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059260
observed be722ac9fd6a360cafac82ba1c00a843...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:47.221446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059260/manifest.json
observed cb63f3798e2c21007af2c67f72b7cb42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:47.202616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059260/publication.md
observed 20bf972d5fa8a550bf12887286b3921e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:47.185229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059260/publication.txt
observed bc234cdad0afc768e6d54552a09dfcad...
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.