OpenTechnical

OT-2026-000053435

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, supply line pressure sensor, pulsed 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-2026-000053435) never changes.

Identity and time

Publication numberOT-2026-000053435 · never reused
Internal UUID01a0ae85-0a90-7ba1-bd12-b171c9fde1db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053435
StatusPUBLIC

Content hashes

Canonical text8558d096596012c8d8da7fd4f7a1e04e679ab049d295b6f23bd4bf24689b2438
Markdown60a33e8e08c0b9b59e7edace0670f3c00795fa2b0799597c4906c55595ec059c
PDF
Publication paged5225572fca68e134db88a8a5f542ee9f1d79288c25de6bf0bd80d1fe014f5d2
Manifest2fcd589291989e76c93f382caa313a4bc8efc0de88177d7726e7f6b556eea29b

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
SignatureUR5E5G4a1w+nlD/OXY8LUT9WzMfRkr8kLptQt+H3Sawt5xi7o8Xbnz1WaqihThogQd4/8u4lV9zq5ygFo1WTDA==
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

2026-09-17T10:55:10.486925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053435
observed d5225572fca68e134db88a8a5f542ee9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:10.468904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053435/manifest.json
observed 2fcd589291989e76c93f382caa313a4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:10.448158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053435/publication.md
observed 60a33e8e08c0b9b59e7edace0670f3c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:10.429975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053435/publication.txt
observed 8558d096596012c8d8da7fd4f7a1e04e...
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.