OpenTechnical

OT-2026-000075524

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000075524) never changes.

Identity and time

Publication numberOT-2026-000075524 · never reused
Internal UUID01a0ae93-f202-7f4e-b2c0-098c65734c6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075524
StatusPUBLIC

Content hashes

Canonical text8b82475f737b9a6a004b384ffb97209cfe8524151041cf37e68356bb6d5461ea
Markdown40d153ade0090ea850a596d513df9790f2ad16483bee3e887b5c31aca9dc8706
PDF
Publication page63a5459531550b848ee739dbcf20455565e6f3d49d52da3885eb9fe335853ddc
Manifest84bf2ab1a080eca3d0e885fe3653dcd6dd190b049494b81bb745fec723df53f3

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
SignatureeIhLztwGwLa1EPymXH2r5XrlLL2+rqQK7oXQkkzJo5DfRJe9og5F3Lh8yCASpXuluB1kfon2vt4mKLl6T5oBBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:17:59.792711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075524
observed 63a5459531550b848ee739dbcf204555...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:59.771215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075524/manifest.json
observed 84bf2ab1a080eca3d0e885fe3653dcd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:59.751197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075524/publication.md
observed 40d153ade0090ea850a596d513df9790...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:59.730426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075524/publication.txt
observed 8b82475f737b9a6a004b384ffb97209c...
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.