OpenTechnical

OT-2026-000042656

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, pulsed 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-2026-000042656) never changes.

Identity and time

Publication numberOT-2026-000042656 · never reused
Internal UUID01a0ae7a-c0ce-73f4-8a14-7dd15179727c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042656
StatusPUBLIC

Content hashes

Canonical text800c168815ec59b6aab2792a5a2d3ba37e4ba5a828b9a889f931a9ead37666d8
Markdown9ee8e85a118ff1cc120638c7c803dd5eb4cc470a4d9cb2677258dcb05aa7d98d
PDF
Publication page829d2a22a8147cf11aeec6695acf8232ff142578b63270eac9b937e04228e69f
Manifestf4428aa37f1bab40742d70a9b16b1d36c42e13fd17f98be38e93cc93a41604f9

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
SignatureIMoxDuf9g28cfZF8D2O3ADjNS8EIG2ebsdmG/topYbPmg+pSMP1PlMf4ltVR3B8c5klc2WGDw9XmjHEDuGzsBA==
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

2026-09-17T11:14:23.938517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042656
observed 829d2a22a8147cf11aeec6695acf8232...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:23.918062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042656/manifest.json
observed f4428aa37f1bab40742d70a9b16b1d36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:23.897738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042656/publication.md
observed 9ee8e85a118ff1cc120638c7c803dd5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:23.879567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042656/publication.txt
observed 800c168815ec59b6aab2792a5a2d3ba3...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent