OpenTechnical

OT-2026-000033748

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000033748) never changes.

Identity and time

Publication numberOT-2026-000033748 · never reused
Internal UUID01a0ae75-a390-7685-9442-e9d8b946975d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033748
StatusPUBLIC

Content hashes

Canonical text7e3e7f0935c061db586a74d2d93dd5c74da2eee33a978b78bbeaff792b42868d
Markdown365df24f871a764683ef83a9f8af37b020d513dd19471c141139185b7474dfe2
PDF
Publication page47244a3adc67390d2d369f1e78af21cf76b19c10f71501e664ed2c15295a5d12
Manifestb60c24e4269ed118ddfae8612f3d416d49a2c144184a805d20f27bc6a9d46cf9

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
SignatureBxGqWHy6uJ/YisllV9gpP8s3knlzoJhvtMyFf4VbKTaQSbC8NDkbRg++tg9tciE9Bkb7Zf9QO6gtN1GFntSaDg==
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

2026-09-17T11:31:45.543061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033748
observed 47244a3adc67390d2d369f1e78af21cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:45.524979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033748/manifest.json
observed b60c24e4269ed118ddfae8612f3d416d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:45.508498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033748/publication.md
observed 365df24f871a764683ef83a9f8af37b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:45.491414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033748/publication.txt
observed 7e3e7f0935c061db586a74d2d93dd5c7...
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.