OpenTechnical

OT-2026-000027577

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000027577) never changes.

Identity and time

Publication numberOT-2026-000027577 · never reused
Internal UUID01a0ae72-6999-7f48-8656-8b9b8a1e5963 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027577
StatusPUBLIC

Content hashes

Canonical text8c254ebbd0784c6bb4eb63a98e3a46ccfd6ec319a906dd97e6265de4e0666ea0
Markdownbbaee2cc0c86eefe2a8a89d8f7e419ba646ac12f3581c8a4a3ffa2692ba2ca02
PDF
Publication pagebb31f1f5755857e2417df12e72edc8bd44eaab44a410dcf2f8d893d735ef7128
Manifest15a262bd96bb36339dad1c49a174e22910b8ffe91484f8b73d92a1fe152b829d

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
Signaturey9Sf1gAborpYvHC/3NF5QP/CBHHFHrDDXmsouSAfJpUqE8j9K48KGzHM2AqC4iqUO6/Mhg5VNK2rxjFlC9cvBg==
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

2026-09-17T11:43:04.239156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027577
observed bb31f1f5755857e2417df12e72edc8bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:04.222591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027577/manifest.json
observed 15a262bd96bb36339dad1c49a174e229...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:04.204920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027577/publication.md
observed bbaee2cc0c86eefe2a8a89d8f7e419ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:04.187865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027577/publication.txt
observed 8c254ebbd0784c6bb4eb63a98e3a46cc...
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.