OpenTechnical

OT-2026-000009538

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, supply line pressure sensor, 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-2026-000009538) never changes.

Identity and time

Publication numberOT-2026-000009538 · never reused
Internal UUID01a0ae6b-7562-7029-a898-c5d5cc972b9b · 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-2026-000009538
StatusPUBLIC

Content hashes

Canonical textc8e8e51884a6a8eea80fe8afe7ef011662610f5b4c93cb52b6fb1592246b427d
Markdownffb75247f694192a1a41aa546c736e6ceb2d8708360ef22fb9f98c29eb233f1c
PDF
Publication page0b61e330754eb56fd21c8c2435f665b2850ffde39b001d413ed7bca12902534e
Manifest2091d66c58dc0af0a221d66e332832db1b7f1510d77c88699bc766de929e9bd2

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
SignatureDIPa2sbr5o2QdqFAzkOx00tQiVPpkcC99JGeap39DYClNqOYFiiwbXA0hPR33yXcgNqlMa4X2AqXjb+OxykyAg==
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

2026-09-17T12:16:57.587365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009538
observed 0b61e330754eb56fd21c8c2435f665b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:57.567873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009538/manifest.json
observed 2091d66c58dc0af0a221d66e332832db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:57.548225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009538/publication.md
observed ffb75247f694192a1a41aa546c736e6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:57.527934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009538/publication.txt
observed c8e8e51884a6a8eea80fe8afe7ef0116...
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.