OpenTechnical

OT-2026-000053038

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, 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-2026-000053038) never changes.

Identity and time

Publication numberOT-2026-000053038 · never reused
Internal UUID01a0ae84-a431-7881-95a0-011678bc50e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053038
StatusPUBLIC

Content hashes

Canonical text947ec83b848117fb996447eae011c33ea2f6f48964bea7086016532e493d019d
Markdown010a045a2d01fd1c3a25b73c38e6e36825a7512b28dcf7e561571777035c7660
PDF
Publication page2d4c2e9f64c0825b150fbecb0a654f9976ac60d4186c9153bca6da631e3764fd
Manifest221172ddb2c4a8f20431521be47cc2447ecf02248d6ab2fc0996129a7a6587a8

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
Signature32EvHBC8+a6VVapHf32t6z6/oOArD1C0OyXzgV4DOb5qtsn5pfcv5C/ceLGEC+FzLcBezJUlriRB45fhEigZCQ==
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

2026-09-17T10:56:44.699497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053038
observed 2d4c2e9f64c0825b150fbecb0a654f99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:44.682940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053038/manifest.json
observed 221172ddb2c4a8f20431521be47cc244...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:44.654804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053038/publication.md
observed 010a045a2d01fd1c3a25b73c38e6e368...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:44.625934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053038/publication.txt
observed 947ec83b848117fb996447eae011c33e...
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.