OpenTechnical

OT-2026-000017157

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000017157) never changes.

Identity and time

Publication numberOT-2026-000017157 · never reused
Internal UUID01a0ae6e-76c7-70b8-99ee-569a9c2bc55c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017157
StatusPUBLIC

Content hashes

Canonical textd79f1e4395d449e6016dc7e0586fef5621ed922878d83fd3c30a981f0b7094dc
Markdown3c38b4b785dad755c70a87467df7830249f08fd89c5d27c42aa5711aa8d3b6dd
PDF
Publication page3637782bcb2d05f235b79c245a1427fc024a72eb6e883bb29cecb4b084ecd6c1
Manifest7fb16c298ddacb5a256f880ed8595e390c29a0143530f8f3faefe6f6fc6e1877

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
SignatureQChHKQ9mAQnkr/fpxURmgpEP0T1i+xEuZYvcT69eQbpZRVDsBxh7eMbsp89pnovCvwnqhbiVDv4q7iVrYaWJDA==
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

2026-09-17T12:02:13.151898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017157
observed 3637782bcb2d05f235b79c245a1427fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:13.135256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017157/manifest.json
observed 7fb16c298ddacb5a256f880ed8595e39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:13.117630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017157/publication.md
observed 3c38b4b785dad755c70a87467df78302...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:13.101011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017157/publication.txt
observed d79f1e4395d449e6016dc7e0586fef56...
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.