OpenTechnical

OT-2026-000061999

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000061999) never changes.

Identity and time

Publication numberOT-2026-000061999 · never reused
Internal UUID01a0ae8b-b8ae-76a7-8595-7ac11c5fcc88 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061999
StatusPUBLIC

Content hashes

Canonical texta62c94f57e1b255b5b66ab4a6ddc45fdce75a63855f490b6beea12d3b18b9530
Markdownb8eabfd941551b4be3a0cd2b83ee06d35e32b5132a5b1f7a418875bfe1f30b9d
PDF
Publication pagefd888a76125446cd443a4b0fbe558830d9840f65632be8723d7bf994db1fcc42
Manifest9562b0342bb89a1d38804583ca5b32ea498e8fd531102c432d340d768f7994a6

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
Signature23pegdxPIQAaKpa4/P7r00FZsj18nGyx4ZrH323WtFtkd8n6pgzYUmVYwbzEFuZXW0OirU/7aVidedDdWCyCDA==
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

2026-09-17T10:40:55.973889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061999
observed fd888a76125446cd443a4b0fbe558830...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:55.953038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061999/manifest.json
observed 9562b0342bb89a1d38804583ca5b32ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:55.931988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061999/publication.md
observed b8eabfd941551b4be3a0cd2b83ee06d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:55.909621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061999/publication.txt
observed a62c94f57e1b255b5b66ab4a6ddc45fd...
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.