OpenTechnical

OT-2026-000063828

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000063828) never changes.

Identity and time

Publication numberOT-2026-000063828 · never reused
Internal UUID01a0ae8d-53b7-74c9-ab68-bb12000910b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063828
StatusPUBLIC

Content hashes

Canonical text5a7df537daeb68744be3fad0839f0bbd5df9c6fdeeadae769305b8319efdcfc8
Markdownbdd2ae1e27223ea2764bc42bb0df755778e2fc4b6e7afb49747ab96c5a0482a9
PDF
Publication pagec5f40962c471010b8f6012e2410b5e15c11167f483adc36b46b7b47e8141956b
Manifestb2c94edecf401a99abcc44ccfac5d4440e7c12a42e1be709ef089d17c43d52e8

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
SignatureMBlDIIbbMDSdSNbpLNpoPlhhLLZsQLbILQ3QZYcuk6h4oS/ZqeJWJH+jHGfSIW31tkNdcrGT3E6NcWPJ9GS0CA==
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

2026-09-17T10:36:51.116822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063828
observed c5f40962c471010b8f6012e2410b5e15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:51.098629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063828/manifest.json
observed b2c94edecf401a99abcc44ccfac5d444...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:51.080576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063828/publication.md
observed bdd2ae1e27223ea2764bc42bb0df7557...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:51.062951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063828/publication.txt
observed 5a7df537daeb68744be3fad0839f0bbd...
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.