OpenTechnical

OT-2026-000089613

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000089613) never changes.

Identity and time

Publication numberOT-2026-000089613 · never reused
Internal UUID01a0ae9c-1a21-7f94-ba5c-5deaa6975758 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089613
StatusPUBLIC

Content hashes

Canonical text6970b56ef0051abf232f5b620aa2329a88e074d689bebc9cbe7acb043b3c57db
Markdownaefe9c1e18ad93d176a7a1419f8be61e3abb5983a5840d7b6a6248b602a6f329
PDF
Publication pagedb50bc7d2d0370726e16a15194c4d7778181a282825b63d41d7a0f0a1156aba7
Manifesta0fb1541d47bccac5738676fe20f87783833affd19215ea35a5fc04acc7707b3

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
Signatureoqtyu3zupw/dq1NwkGWfAw+hw9eryKBMxE/FvdTN2ktiqXYMY6rWFweMGU7wcbZMSZWbUiaorkWS+A2ZcpLZDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:46:35.689832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089613
observed db50bc7d2d0370726e16a15194c4d777...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:35.670995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089613/manifest.json
observed a0fb1541d47bccac5738676fe20f8778...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:35.652874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089613/publication.md
observed aefe9c1e18ad93d176a7a1419f8be61e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:35.636552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089613/publication.txt
observed 6970b56ef0051abf232f5b620aa2329a...
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.