OpenTechnical

OT-2026-000069987

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000069987) never changes.

Identity and time

Publication numberOT-2026-000069987 · never reused
Internal UUID01a0ae91-1861-7319-bb9c-5ef8e6c2d059 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069987
StatusPUBLIC

Content hashes

Canonical texta4eb445b3d0054fb4c91037cd4fa39ffdceec8c070b38d0d9e9e5726299af43a
Markdown63eabf4ad755ab07062b7edd1273ce8206eafefed64518d9aa2b5795def40b66
PDF
Publication page0ca574d25d8b88167ea90ed90670de22dc7a6f8f475ae443d36c13f60a3b58ff
Manifest8478d244f4b076d7f2c69152516f9ca1937d920f5d08944eb0b9bd057b541c1e

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
SignatureiCkeTqPnIsitcFX3QbZ1tPQFduaw9db3YLUX3GDwDqsZF7+te2wfaghJtm/pvAldYrqftmVvXYGEKUGQPScbAw==
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

2026-09-17T10:26:55.966883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069987
observed 0ca574d25d8b88167ea90ed90670de22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:55.948796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069987/manifest.json
observed 8478d244f4b076d7f2c69152516f9ca1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:55.932154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069987/publication.md
observed 63eabf4ad755ab07062b7edd1273ce82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:55.914596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069987/publication.txt
observed a4eb445b3d0054fb4c91037cd4fa39ff...
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.