OpenTechnical

OT-2026-000034821

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, supply line 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-2026-000034821) never changes.

Identity and time

Publication numberOT-2026-000034821 · never reused
Internal UUID01a0ae76-1ed3-77cb-886b-85e993d50533 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034821
StatusPUBLIC

Content hashes

Canonical text0ffc2638e5c5b4ce998384842b7782c803f2184718454152933c6964e6a1a11b
Markdownfa2901722022cec1b237b90b57d03f765680f6af4ec48363d833ee76b16cb381
PDF
Publication page4a8d5e09b16c07543584303f57d290048a6b53b619ff20422ecb78c62604aaad
Manifest0dc8bfc2e3ef20d22834e5821ee2b42198a301f7e237bb59d12800f56414c886

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
Signaturey/jdCtx5Ydw/EtB4nnoW55GIhXfuC3ut8XJ3kPUzT9Nv7I1yHbXqVMxxRdm/WF32Q5kciNgmxe6zqboHlQKkAQ==
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

2026-09-17T11:30:26.975267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034821
observed 4a8d5e09b16c07543584303f57d29004...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:26.945411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034821/manifest.json
observed 0dc8bfc2e3ef20d22834e5821ee2b421...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:26.910498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034821/publication.md
observed fa2901722022cec1b237b90b57d03f76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:26.793166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034821/publication.txt
observed 0ffc2638e5c5b4ce998384842b7782c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:48.421948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034821
observed 4a8d5e09b16c07543584303f57d29004...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:48.406191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034821/manifest.json
observed 0dc8bfc2e3ef20d22834e5821ee2b421...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:48.390183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034821/publication.md
observed fa2901722022cec1b237b90b57d03f76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:48.372273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034821/publication.txt
observed 0ffc2638e5c5b4ce998384842b7782c8...
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.