OpenTechnical

OT-2026-000008029

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000008029) never changes.

Identity and time

Publication numberOT-2026-000008029 · never reused
Internal UUID01a0ae6a-908b-7f93-bd3d-149ad69f2849 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008029
StatusPUBLIC

Content hashes

Canonical textc31b269e87f71c19c859e11f6e81c03a413569a8e4c13a3ab1c3b004921235aa
Markdown33903a73b38e29fb4db50c8e0d61ac401623320ff6c4f17cd445827f9ee5d46e
PDF
Publication page572cc6a95a042e72623f5aea6032b4f110172950c3748db15d4c134ce3fdcb23
Manifest65bac7152e108f88e5dab64abf6e341d15119bb2bc9a0e91e659ad7baa74fd4c

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
Signaturep/apwSG/2VXE96knMi4iJJM7VJ40+Are4gWSzlHu1LEfqSgQSvBivMVyuDnM4sxQSTcDhe5fYVMRBXkXYhR/CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:37.090041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008029
observed 572cc6a95a042e72623f5aea6032b4f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:37.069814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008029/manifest.json
observed 65bac7152e108f88e5dab64abf6e341d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:37.051726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008029/publication.md
observed 33903a73b38e29fb4db50c8e0d61ac40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:37.034042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008029/publication.txt
observed c31b269e87f71c19c859e11f6e81c03a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:17.903711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008029
observed 572cc6a95a042e72623f5aea6032b4f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:17.884768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008029/manifest.json
observed 65bac7152e108f88e5dab64abf6e341d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:17.861500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008029/publication.md
observed 33903a73b38e29fb4db50c8e0d61ac40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:17.838157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008029/publication.txt
observed c31b269e87f71c19c859e11f6e81c03a...
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.