OpenTechnical

OT-2026-000053801

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, supply line 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-2026-000053801) never changes.

Identity and time

Publication numberOT-2026-000053801 · never reused
Internal UUID01a0ae85-735d-7895-b6d1-fafd30c49d33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053801
StatusPUBLIC

Content hashes

Canonical text9213b6b5c2eb4a0a6d48857697cab21f12df15b23e7378380a86b9678086b03c
Markdown80fd7e0187a86ad435f08b1c9b03e61008d0bdb990352928dd71fff689fd6fab
PDF
Publication page8355208dab2558dcd8776b931fe524daf833282150eed31d13502af7417cc46c
Manifest6e66d9aa84a441a84bb48233aa92f93a684f176c313d184a55e3e472e813c9f7

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
SignaturetxTZ8UHdmvFxdp1A28R0wfXYA92tRi3eCZNW22MFHieDAdKSPLqpl6cDZujWYmervIBwi+ZHOnBKtInj0uGgBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:30.565286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053801
observed 8355208dab2558dcd8776b931fe524da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:30.544566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053801/manifest.json
observed 6e66d9aa84a441a84bb48233aa92f93a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:30.525304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053801/publication.md
observed 80fd7e0187a86ad435f08b1c9b03e610...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:30.502751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053801/publication.txt
observed 9213b6b5c2eb4a0a6d48857697cab21f...
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.