OpenTechnical

OT-2026-000071538

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, vented 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-2026-000071538) never changes.

Identity and time

Publication numberOT-2026-000071538 · never reused
Internal UUID01a0ae91-e0ee-7d0f-8c83-b70ae153ddc3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071538
StatusPUBLIC

Content hashes

Canonical text15a5443ebc77f6d7706966721b7147662e3741d4c01523e68810ae79e66f6d5c
Markdown4aff60da67652dc29b7b5fee6905411f1003d97ea82a8b8b7fa9e6f233188dd5
PDF
Publication page9c861a8636a43626c9e3f2570c889a78e9d7575dd3a8e9e8978e210d138042d2
Manifestca2de65ddd80f855822dd5e7b81c569d1a972f9d787fbd7dfa8c44ddcb077a59

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
SignatureFaqlu0mizHBieo0Uwv5LDgJyndojaHTfeXXIgP9OJQmlO0Xb/g7wabyc9OFBPh9QiRzxiOBYJkMsD3tkYJJZDA==
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

2026-09-17T10:25:11.407352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071538
observed 9c861a8636a43626c9e3f2570c889a78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:11.388588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071538/manifest.json
observed ca2de65ddd80f855822dd5e7b81c569d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:11.370371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071538/publication.md
observed 4aff60da67652dc29b7b5fee6905411f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:11.351851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071538/publication.txt
observed 15a5443ebc77f6d7706966721b714766...
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.