OpenTechnical

OT-2026-000061874

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000061874) never changes.

Identity and time

Publication numberOT-2026-000061874 · never reused
Internal UUID01a0ae8b-b8ad-70a7-baec-4af60bfd5df8 · 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-2026-000061874
StatusPUBLIC

Content hashes

Canonical text1ad6388fc4ff1f1759be493819fba782beca67c55ada5a8d7305b56f3d94834c
Markdown1db12518c1e7911a422cebc67bbe79b8c2ca789b36466ca7652ec9ef6c9d4399
PDF
Publication page275b648401e4b129c9079bd83cb1d2c5567b30cc6f1e71b79f31170f416163be
Manifestc56360835dc1e26bebd7034384d330e4d32653498d7d1719606b3aa39fa41bd7

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
SignatureRDMQy3JiVEnLjfBZJGg21XbOZnDGcfAZ0VZR7fa0iPBVyEbQ/AFEsmL1gVNDyyesnL3r4F79igmFEjBZ9f72Dg==
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

2026-09-17T10:40:44.249809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061874
observed 275b648401e4b129c9079bd83cb1d2c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:44.231616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061874/manifest.json
observed c56360835dc1e26bebd7034384d330e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:44.210358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061874/publication.md
observed 1db12518c1e7911a422cebc67bbe79b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:44.188221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061874/publication.txt
observed 1ad6388fc4ff1f1759be493819fba782...
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.