OpenTechnical

OT-2026-000049992

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000049992) never changes.

Identity and time

Publication numberOT-2026-000049992 · never reused
Internal UUID01a0ae81-fd78-7afb-b787-2dce04d7582f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049992
StatusPUBLIC

Content hashes

Canonical textb27c32108ef01a793f00bd3e80ace1dcf6974f224c56360f5e2657bbc3a677f0
Markdownaaeffdd13d0f6e0deb0565a744b018b5f96049f6ca0eba834b76926de591d313
PDF
Publication page585cd6ee4bf82d20ccce7722e01208a1f0556f4123d91cc6f8ea687c4217ca1c
Manifest1d4251da5645946bc42583d03de9319f8dce9261e8945070fb0b773316b64065

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
SignatureUFMqDvDO9HA9QJa6aDP3VBLRgVJQC/r8ylcMuVSuDKSGrd1VGTuC6CgwUSyWWmQSYM9OOUyGKJiVvcRO2J4QAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:56.866959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049992
observed 585cd6ee4bf82d20ccce7722e01208a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:56.848721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049992/manifest.json
observed 1d4251da5645946bc42583d03de9319f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:56.831393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049992/publication.md
observed aaeffdd13d0f6e0deb0565a744b018b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:56.812772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049992/publication.txt
observed b27c32108ef01a793f00bd3e80ace1dc...
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.