OpenTechnical

OT-2026-000061603

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000061603) never changes.

Identity and time

Publication numberOT-2026-000061603 · never reused
Internal UUID01a0ae8b-7b45-7c62-aec2-0a60782fe7ad · 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-2026-000061603
StatusPUBLIC

Content hashes

Canonical textbdd21c61112469a57931ec2ad74d852a194b9723b14d951b25fd825e8dd3099c
Markdownc700ab9f94cdd31b90b7057626424e6d7f37e82a3145d49b88c87e9c4aae692e
PDF
Publication page817441540d5c83866b295bc145a7f0309443f9e1b03e2cc448a3729758467396
Manifestcb0ca9883de2ad905b43c0b052f9d82775ef32ed22a5d86ceb6dffa6c84388d6

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
SignatureB5Az7SimF9MDpEm69C2rxGwf8SCeLqraC8qWI7sw6FtUnGhv2G10QzdA5IXVQQiWedHliidWvVjoL4+f6d4eDw==
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

2026-09-17T10:41:31.871320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061603
observed 817441540d5c83866b295bc145a7f030...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:31.853231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061603/manifest.json
observed cb0ca9883de2ad905b43c0b052f9d827...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:31.835892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061603/publication.md
observed c700ab9f94cdd31b90b7057626424e6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:31.817230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061603/publication.txt
observed bdd21c61112469a57931ec2ad74d852a...
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.