OpenTechnical

OT-2026-000048981

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000048981) never changes.

Identity and time

Publication numberOT-2026-000048981 · never reused
Internal UUID01a0ae81-134c-7d21-8c3b-f609f8eccd26 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048981
StatusPUBLIC

Content hashes

Canonical textefa27df5df2abde9383689da9dd072bd685b64f0c52eb386bde768d62d1771d0
Markdown0615f1ef0c29a6afce30a2b2e4417c88f04e076bc3fc4de923c70a38fc6574e8
PDF
Publication page0ec775c205c6abbe1a07f9bdece93b8895ba5df68e99cd3bf06062564be2ce87
Manifest42b009284da22183302b572d9ef2babbf38dea12668328ed59c667f69af1c89b

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
SignaturexAfMpHtLOUers/KkyWLfmXlkgPfBZneXgOBkVIfMO8MsQJaL2DZoEsd5yJsEcTn3FgwLL7hiO5bIDkj0/OSKBg==
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

2026-09-17T11:03:11.040626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048981
observed 0ec775c205c6abbe1a07f9bdece93b88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:11.022450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048981/manifest.json
observed 42b009284da22183302b572d9ef2babb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:11.005763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048981/publication.md
observed 0615f1ef0c29a6afce30a2b2e4417c88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:10.987863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048981/publication.txt
observed efa27df5df2abde9383689da9dd072bd...
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.