OpenTechnical

OT-2026-000101299

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000101299) never changes.

Identity and time

Publication numberOT-2026-000101299 · never reused
Internal UUID01a0aea3-c379-789f-8881-1e7b0ff4a628 · 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-2026-000101299
StatusPUBLIC

Content hashes

Canonical textff299a45c76ebb162cbc426de5038ee4932d46443970530cd336acdb7767af8f
Markdown5f0bec44e7c7e437ba8d5dfe231789240ce5251b12982dffa3668e6aa833a23c
PDF
Publication page280f958a4dd8c2f190a957e58e1ebf58b37ab7013a5e733735a967bf0834045a
Manifestaeca6110465fb514ab372cf4d91a38093268bd3f1fb8d1473150eb83efe6ff71

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
SignaturefXw9L2PXjrcx6u3vnlxOKF9GtSX2eedp2F4PTYGsxtC5yEdnLUgNx/klf7gjQpMVR+bjhzYDQ/vxdVg53R7FBA==
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

2026-09-17T09:26:59.011539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101299
observed 280f958a4dd8c2f190a957e58e1ebf58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:58.993693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101299/manifest.json
observed aeca6110465fb514ab372cf4d91a3809...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:58.977806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101299/publication.md
observed 5f0bec44e7c7e437ba8d5dfe23178924...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:58.960732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101299/publication.txt
observed ff299a45c76ebb162cbc426de5038ee4...
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.