OpenTechnical

OT-2026-000044131

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000044131) never changes.

Identity and time

Publication numberOT-2026-000044131 · never reused
Internal UUID01a0ae7b-d67a-73b6-9f8c-071ab9b7f9f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044131
StatusPUBLIC

Content hashes

Canonical textd937e8d4512326f124a694e4baf025c3d8042fb5d89ccba7a9dfa286f6cf5054
Markdownf1957433a461595b49f77445b8ecc369fee850c7cd1851b84408c7d35679102b
PDF
Publication pagec391155d1b890595d38662fdfee2246ab6cdc749e75dc77c263074611ce64650
Manifest075f30e24b41f596b9820cc4e8e26afea04ae6104e4e8c43c9bb41b254c5c7ba

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
Signaturebhyuey+GDQVTsO+xg/HYOx3r2Joht9QSBQ7MVA1ZIUSiHqle46ytS7/VqJwIGdMyDCqGFZvOHlS/UjEOaFKhDA==
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

2026-09-17T11:12:32.992122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044131
observed c391155d1b890595d38662fdfee2246a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:32.974433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044131/manifest.json
observed 075f30e24b41f596b9820cc4e8e26afe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:32.955044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044131/publication.md
observed f1957433a461595b49f77445b8ecc369...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:32.936884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044131/publication.txt
observed d937e8d4512326f124a694e4baf025c3...
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.