OpenTechnical

OT-2026-000039077

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000039077) never changes.

Identity and time

Publication numberOT-2026-000039077 · never reused
Internal UUID01a0ae78-9672-730d-8414-dc880f212c90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039077
StatusPUBLIC

Content hashes

Canonical text49240dac03ce68a936c16e3db54f1b75ebf027abc41660991a2d16feccbfc89c
Markdown3501401e7b8738952a49eabe303ccf4fc66f11e20687873658ee9470707beed0
PDF
Publication pagec4f03cee24964d125143722e56159793197346058fb96767702f37d631b38c51
Manifest19fabea9c438310dee568576578f358e28fb3f7ad9814efb980b5e1cbdf8be65

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
Signatured3iS9/+X8LNpoQIpH5VyxSX9iBUZPBrudheiG9/IViBqJVefAST3NJDVzCEIFzxdecc7cQQZ1z++CqqExf0wDw==
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

2026-09-17T11:20:33.355723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039077
observed c4f03cee24964d125143722e56159793...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:33.294684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039077/manifest.json
observed 19fabea9c438310dee568576578f358e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:33.275911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039077/publication.md
observed 3501401e7b8738952a49eabe303ccf4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:33.221528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039077/publication.txt
observed 49240dac03ce68a936c16e3db54f1b75...
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.