OpenTechnical

OT-2026-000063237

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, 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-2026-000063237) never changes.

Identity and time

Publication numberOT-2026-000063237 · never reused
Internal UUID01a0ae8c-94ab-75fb-ad6c-17b535a22f5a · 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-2026-000063237
StatusPUBLIC

Content hashes

Canonical text3293992fbb993aac0de2bb6c1cfd80ce79e063154beb187adb7b05de973753ef
Markdowne138995386e4fa776f0f784196ce846b62a19cce6badffac30aeafc0fcd43334
PDF
Publication page929686182eceb3dbfcd8b787668d5be5073f5a7291a5446c89acb7566eac17a4
Manifest21633ec8f48126d2af9cc2de74bce4a2cdcf06f68e85a6bc55ba541854b378d3

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
SignatureoIRXe5k+cfuc9WzGyNDuOve2IrxoB+niBR/FGvZzyjb36F08kW/ppv++0q7k2YzWCNXlbxE3fQ6XlidMkfxaBw==
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

2026-09-17T10:39:07.126607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063237
observed 929686182eceb3dbfcd8b787668d5be5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:07.108383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063237/manifest.json
observed 21633ec8f48126d2af9cc2de74bce4a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:07.090024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063237/publication.md
observed e138995386e4fa776f0f784196ce846b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:07.072707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063237/publication.txt
observed 3293992fbb993aac0de2bb6c1cfd80ce...
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.