OpenTechnical

OT-2026-000008104

Publication integrity record

Single cup vacuum gripper, common isolation valve, single 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-2026-000008104) never changes.

Identity and time

Publication numberOT-2026-000008104 · never reused
Internal UUID01a0ae6a-908c-7091-ae7d-0f20426decd5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008104
StatusPUBLIC

Content hashes

Canonical text071983b4ecd1e5869f234313495696b510c3931b8d38218df9e897bc374eeb95
Markdown3a6cf39b27a7461d088693426b5149b97712072bb0b3724fe6c41bff827c7c02
PDF
Publication page5dee7892f5841bd77d5071a23934d8b6384329934a5ea1a63c2da33d7112e503
Manifest5d64129791d18174414d7982404889a6e92bc137126fbfb0b685c072512cdb40

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
SignatureWAvxDFSXwLZxZJ6qM4XXN2ppp2JDthybdR0gSh21uAwNUM6oYXI+QRIrKKHZ92YH6KjFh2VUTe3emlgzxHXoAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:23.762872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008104
observed 5dee7892f5841bd77d5071a23934d8b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:23.745713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008104/manifest.json
observed 5d64129791d18174414d7982404889a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:23.722914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008104/publication.md
observed 3a6cf39b27a7461d088693426b5149b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:23.700101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008104/publication.txt
observed 071983b4ecd1e5869f234313495696b5...
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.