OpenTechnical

OT-2026-000038638

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000038638) never changes.

Identity and time

Publication numberOT-2026-000038638 · never reused
Internal UUID01a0ae78-2d55-7886-9f12-456a782b2fdf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038638
StatusPUBLIC

Content hashes

Canonical texta10811098c1b3d48dce33901f6985773ec6de064c97092d8a9e4eb376706d143
Markdown34148f9849e30c1d31dd34c737a019379c0a0e14a23b05236740d55f36aa38a2
PDF
Publication pageca43d7db50f9a781fe047d3f655da6d023f24577e9feff2cef6345c7a035928e
Manifestc18965fdc4fa16680ae8f3d749459b89371ae4f079760fd48188c21f9ffb785c

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
SignaturewhwnSmxz0btRHJHMNPDO25Uub+a6Se+RFrGZiNSs+97uJOMnsA2xVjo7LeYAy0+neQCRbNZ0oDPkZamnNKZVBg==
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

2026-09-17T11:22:56.078791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038638
observed ca43d7db50f9a781fe047d3f655da6d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:56.060044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038638/manifest.json
observed c18965fdc4fa16680ae8f3d749459b89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:56.041606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038638/publication.md
observed 34148f9849e30c1d31dd34c737a01937...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:56.021437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038638/publication.txt
observed a10811098c1b3d48dce33901f6985773...
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.