OpenTechnical

OT-2026-000048881

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000048881) never changes.

Identity and time

Publication numberOT-2026-000048881 · never reused
Internal UUID01a0ae81-134b-7042-b05f-7a4ab57cae6c · 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-2026-000048881
StatusPUBLIC

Content hashes

Canonical text599e7a5798730a23bb69abefcddd98ffef4b644ea262e89874fa533478bbdf61
Markdown5d8cd60c3a7e7d760bee1e57d367d9a0f94fb746d82a8e093d63097533800d65
PDF
Publication page5049c45d87a99b8abc89f17530a099ec9afa7c0efe2bbdfaa8b69038cadc54a7
Manifestdf5f6471fba61c3f69bb6b46f19035d22c89cade06b60a732acb77df7c68bab6

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
Signatureb2MYS8cAHnu9xFsvZE+TWrPPegl8moOEYN/7+LMic9zoCov2j7r4xgV2Oq/g+fKB21+89Z4WdqV6URkVLP/WAg==
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

2026-09-17T11:03:02.415595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048881
observed 5049c45d87a99b8abc89f17530a099ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:02.395622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048881/manifest.json
observed df5f6471fba61c3f69bb6b46f19035d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:02.376520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048881/publication.md
observed 5d8cd60c3a7e7d760bee1e57d367d9a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:02.357445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048881/publication.txt
observed 599e7a5798730a23bb69abefcddd98ff...
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.