OpenTechnical

OT-2026-000078871

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, 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-2026-000078871) never changes.

Identity and time

Publication numberOT-2026-000078871 · never reused
Internal UUID01a0ae95-ccbd-737a-b2c1-1c30a8f91358 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078871
StatusPUBLIC

Content hashes

Canonical textf97317a9efe87a065abd8d1ac58853c0bee756846e2f81a01af6427329dd4dab
Markdowna71f8c7c6b1e10f72f1cc7f129e4941c210b651d61994ec8faad8921813cbd87
PDF
Publication pagee80554b4c09f10ff4dcbf7f1defc51122d476beb83e44a0499b2a29874cdb632
Manifesta5e7f9e15262ad1f48fd5a182643489699f3c948f59f06aca9cdc277d3093e66

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
SignaturehNw5zNi7vhi8uIL2tB4347lzN49OCssblxlxW3+BLiwb4MviHN1mkVrfbx5vaS/VMcOflY4E9msrspPUGAVbCQ==
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

2026-09-17T10:05:40.387907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078871
observed e80554b4c09f10ff4dcbf7f1defc5112...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:40.369565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078871/manifest.json
observed a5e7f9e15262ad1f48fd5a1826434896...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:40.348626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078871/publication.md
observed a71f8c7c6b1e10f72f1cc7f129e4941c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:40.330432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078871/publication.txt
observed f97317a9efe87a065abd8d1ac58853c0...
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.