OpenTechnical

OT-2026-000049646

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000049646) never changes.

Identity and time

Publication numberOT-2026-000049646 · never reused
Internal UUID01a0ae81-8fee-750c-969b-78a8b2b8b2dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049646
StatusPUBLIC

Content hashes

Canonical text449917b2c497cb3961056cd014fc5859fdad77180cd03010aa22fc2fca38e1be
Markdown2bd84be576f1fb7014ebcb8cc91ef4f430188fdccdedf731cc24f8c33ff4f27e
PDF
Publication page9755f4e42e6e7fe6d3ded3602386a279051b5b3c28c48b8487761715419a32db
Manifest7e03c475f22ec279904f121d984d78e5be5f5be6683c0837ddd8067e583c150c

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
Signature1/+0wR0YiXn85RrCsrIwTsmdY7gkc5xnvbjDqdxgxsas0vQ5U7OB+CPU+DQjpre63q/oHTzJtvYiFwzgG8x5Dw==
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

2026-09-17T11:02:38.579863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049646
observed 9755f4e42e6e7fe6d3ded3602386a279...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:38.560038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049646/manifest.json
observed 7e03c475f22ec279904f121d984d78e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:38.543260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049646/publication.md
observed 2bd84be576f1fb7014ebcb8cc91ef4f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:38.525814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049646/publication.txt
observed 449917b2c497cb3961056cd014fc5859...
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.