OpenTechnical

OT-2026-000104249

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pulsed blow-off after set-down

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-2026-000104249) never changes.

Identity and time

Publication numberOT-2026-000104249 · never reused
Internal UUID01a0aea5-3420-7f64-8250-06b3cc8e27b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104249
StatusPUBLIC

Content hashes

Canonical text56467f5af6a0938cde702c094eeede8c88284ab6af7231cc343b542a3e5e969a
Markdown761738e9251392410c5d9b9543530385b36fc3b4b0bedd4bcb04008100834a4f
PDF
Publication pageca3739d9265307dcc2a7838af78e718eaf0a388f831f1350e63a8e5093145321
Manifestf7029962004c33a1daba5b99db26ac01a93557573b8c245657fccfb7af6e5a0f

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
Signatureaan94XkYLX/skh0bqSEvaY+fZ4/UTncgAex6M5b6/T8ftdY+UtNCV6chAjxFCjNs5PEI/QiAWrt2xwiKVzu0DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:21.602617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104249
observed ca3739d9265307dcc2a7838af78e718e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:21.583717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104249/manifest.json
observed f7029962004c33a1daba5b99db26ac01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:21.564882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104249/publication.md
observed 761738e9251392410c5d9b9543530385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:21.547660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104249/publication.txt
observed 56467f5af6a0938cde702c094eeede8c...
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.