OpenTechnical

OT-2026-000012982

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, pulsed 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-2026-000012982) never changes.

Identity and time

Publication numberOT-2026-000012982 · never reused
Internal UUID01a0ae6d-5564-7a9b-b2fc-0a83925fa17e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012982
StatusPUBLIC

Content hashes

Canonical textc592313208817db8ed3e706f134cb4930f38def7d8529b17a7b1d93d7057e8bd
Markdowncb4df1b45bfab6a4beec18bbad300f45af5f3139983f902e7d1c10ba8664fc90
PDF
Publication page764bc8c9cabde44ecdddf9f8612eb8e17eb32de73251f21239dfac85bd4728ea
Manifest545bdbfcf1625b468e9706409fa630b89de923786fca708f2fa8d93996dab221

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
Signature0SrOah1Ky8zoOeVNFXzSlYG3F7FCsRCfYHlgP8AkFsaVEET8+8bJZgLWxjggUh8YmuZC9VMVduh7QqR9SV8MDg==
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

2026-09-17T12:10:47.809394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012982
observed 764bc8c9cabde44ecdddf9f8612eb8e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:47.791070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012982/manifest.json
observed 545bdbfcf1625b468e9706409fa630b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:47.767254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012982/publication.md
observed cb4df1b45bfab6a4beec18bbad300f45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:47.745840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012982/publication.txt
observed c592313208817db8ed3e706f134cb493...
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.