OpenTechnical

OT-2026-000008243

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000008243) never changes.

Identity and time

Publication numberOT-2026-000008243 · never reused
Internal UUID01a0ae6a-908d-71c0-b09a-dc1e632530c7 · 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-2026-000008243
StatusPUBLIC

Content hashes

Canonical text220bd5b82311c97ba53095b6177e90e79f9c942723d839f117721344e3c026fb
Markdown9076e1a3a595b150e1c0aed291cb0b8d33d8b5eb693bb816e17d4e6aca9bfb6c
PDF
Publication page71d5c66d03121ac2873f485908c3dc6b20ea541b7a948e3c63011ab76c40611c
Manifest0b787ae9b0d5b25c082d6c7ce1d571497ecfad91a4490585a2ff9da0352cfdc3

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
SignatureYKpKXOoJ10T/t3wa5rDdrDulP+O4lx9bur3xmklxgcokQyr8dP5JjUhRDUgsy94X3c9BCGCppG3sBDlTjw8aBA==
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

2026-09-17T12:20:40.084153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008243
observed 71d5c66d03121ac2873f485908c3dc6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:40.067550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008243/manifest.json
observed 0b787ae9b0d5b25c082d6c7ce1d57149...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:40.052336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008243/publication.md
observed 9076e1a3a595b150e1c0aed291cb0b8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:40.034580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008243/publication.txt
observed 220bd5b82311c97ba53095b6177e90e7...
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.