OpenTechnical

OT-2026-000009505

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000009505) never changes.

Identity and time

Publication numberOT-2026-000009505 · never reused
Internal UUID01a0ae6b-7562-7836-85ec-4febdd6d8836 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009505
StatusPUBLIC

Content hashes

Canonical text31766c371a1547cc14db10d08413c54824b434c334221b44eae7601467de457b
Markdown51dd885f36674c51364ca96dcc0c6b5e3f4231791d81cf19927a43e87d73306b
PDF
Publication paged52046927a9bfbf4f3a26348fc64d00761a1370abfefcca65077087f343a2739
Manifest2bb382231b25195846b4d89972d21f69df3dc6fec7e0a889644b22039b0821f6

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
SignatureuZK8A8Yx4vX9XLBoEBQ7BRzgQ9HHlI1Ec6dujrQGd9WqMU2qetsf8R47ibE1jxaqKRo9TIKtUy3EneiG+3slBg==
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

2026-09-17T12:16:54.829783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009505
observed d52046927a9bfbf4f3a26348fc64d007...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:54.810455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009505/manifest.json
observed 2bb382231b25195846b4d89972d21f69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:54.788595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009505/publication.md
observed 51dd885f36674c51364ca96dcc0c6b5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:54.768914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009505/publication.txt
observed 31766c371a1547cc14db10d08413c548...
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.