OpenTechnical

OT-2026-000061476

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line 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-2026-000061476) never changes.

Identity and time

Publication numberOT-2026-000061476 · never reused
Internal UUID01a0ae8b-7b43-7247-9448-8cbe215dfb4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061476
StatusPUBLIC

Content hashes

Canonical texteb8b98e864ce7ac6a29a3609a778e06edd772209ccb3c47525cfe87311ad9b0e
Markdown311b06a37b8bb8beeb5b736bfc3ed0a61849d8e7a74ed2af701c7699803e70f7
PDF
Publication page96ae1ddc5d66acb6a557d887e6c6a8bc4d5c7f2f4e7183b7ba75847480e5669c
Manifestfdf6563f49c926be2773e1a97b4a0d05d996c2be9c450fb62ed3f62e3d9b5250

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
SignatureldqZkuChvaW1VdzIjucJaDJjQV0Oh/DCTLjAh9HNLdC+Pt9DHhDNcqTAUhJtFKl9bo9CTYO77Az1NwH/3v/zCw==
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

2026-09-17T10:41:21.852899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061476
observed 96ae1ddc5d66acb6a557d887e6c6a8bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:21.835099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061476/manifest.json
observed fdf6563f49c926be2773e1a97b4a0d05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:21.817181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061476/publication.md
observed 311b06a37b8bb8beeb5b736bfc3ed0a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:21.798562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061476/publication.txt
observed eb8b98e864ce7ac6a29a3609a778e06e...
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.