OpenTechnical

OT-2026-000101309

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, pressure sensor per zone, sustained 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-2026-000101309) never changes.

Identity and time

Publication numberOT-2026-000101309 · never reused
Internal UUID01a0aea3-c379-71f2-8780-1f0e01733bd8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101309
StatusPUBLIC

Content hashes

Canonical text247f7cab7adf1c73dbe53221bdb56d0aa2fc753a5084a0151e1427f9654b9ae6
Markdown7b949f759b63cfb749719ea941090c23362244a2deeaafb8d7a5fadd0ffa35ca
PDF
Publication page8d658755fb4936cdd5ec0634aea9db0aee8a0931a9843b15e0ca2ae26c816985
Manifest142449c415e2fe7fb0650efddbd903f21df79acfcd25f9df650d387a770eafbf

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
SignatureFsl5v82vOmvq/GJ3BeZB5mYnjUzdeeIdsXGLt6ffBBvUZ1dZVlwnWZZub7NbalkA2vGJ8W5tCcWkBn/CysgpCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:59.734862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101309
observed 8d658755fb4936cdd5ec0634aea9db0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:59.717214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101309/manifest.json
observed 142449c415e2fe7fb0650efddbd903f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:59.699950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101309/publication.md
observed 7b949f759b63cfb749719ea941090c23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:59.683400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101309/publication.txt
observed 247f7cab7adf1c73dbe53221bdb56d0a...
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.