OpenTechnical

OT-2026-000061016

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000061016) never changes.

Identity and time

Publication numberOT-2026-000061016 · never reused
Internal UUID01a0ae8b-12f3-79f0-98b0-695cddf5924c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061016
StatusPUBLIC

Content hashes

Canonical textf3da0a494ac1174b852bff6fea1cfaf4a44abdabf45d36aa2d958d6a8acd41a5
Markdownf03c2a7bb4c2c3c51b44af8a06e4edc22172cf3b05635b5e17d7c67866be6fd2
PDF
Publication pagec9933f4ef2cd165b8b21a8e75db27e4f8a6d1feae461b3c7b9ea1d7c92806d20
Manifest956509f6f2a25f965d239ff8db24f29f886861e244f5cb0394aa3840d8e46ff2

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
SignatureAd9epwwSvPIaRwnUXPvoBohMj9LZKdZKhcv3aJ0LgCz11Q0Jgf8GI0i21ASs2oh+DghCS9J7Og6RoNTHxrlLBg==
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

2026-09-17T10:42:18.580466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061016
observed c9933f4ef2cd165b8b21a8e75db27e4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:18.563614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061016/manifest.json
observed 956509f6f2a25f965d239ff8db24f29f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:18.546094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061016/publication.md
observed f03c2a7bb4c2c3c51b44af8a06e4edc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:18.529164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061016/publication.txt
observed f3da0a494ac1174b852bff6fea1cfaf4...
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.