OpenTechnical

OT-2026-000047926

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold 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-2026-000047926) never changes.

Identity and time

Publication numberOT-2026-000047926 · never reused
Internal UUID01a0ae7f-c422-7e71-9ea4-83c83f79913a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047926
StatusPUBLIC

Content hashes

Canonical text236fe9d16dc0a515630a173aa4c39b81ba4522ec612108af63daccb72e90869b
Markdown10a05a3978d4e9df703c77b6a26a9eee065127f48c30d1496e905de773230e36
PDF
Publication page63aae13f151e69a049c5c07509b651e5701fc54f877123fe76a2a8bdcf08fa09
Manifest09c47c937beaaf95b7a45d65ecf0f0d192dd24cf7a445acbf6b28dfbb3bd6a7f

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
SignatureaQOckXCaB2pJymWNtKmuehjjr2P23jBH5wG1AZCs8LHyv40xsefwm3BkCpCcplzlbSx7tCHzqIpzqpNNUfIWDg==
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

2026-09-17T11:05:53.024094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047926
observed 63aae13f151e69a049c5c07509b651e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:53.006558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047926/manifest.json
observed 09c47c937beaaf95b7a45d65ecf0f0d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:52.986517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047926/publication.md
observed 10a05a3978d4e9df703c77b6a26a9eee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:52.968607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047926/publication.txt
observed 236fe9d16dc0a515630a173aa4c39b81...
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.