OpenTechnical

OT-2026-000017751

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000017751) never changes.

Identity and time

Publication numberOT-2026-000017751 · never reused
Internal UUID01a0ae6e-96fa-7c7f-bec0-7455d8060bc7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017751
StatusPUBLIC

Content hashes

Canonical textcee0883da9a1ed93314bd9d65895a93fb9df1e853f03c21e43660287779b1f94
Markdownc0464aab150f82347134b34cdef5033889abd471f9dbeb0ab25284bce9685469
PDF
Publication page7db3db1020cf35450e961cb7ddc7447853ab1c7423be72e539c5253c3390d2d4
Manifest49692a432b0a53c0e43dba87f04d1cbc09a41a4d8670eff89e1bd7f452e5bc82

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
SignatureoB7g3dsjoRfxecG3y5cVn5idA/woMZD7ViEnak06LaPQMoRse3AD8GLaO5U/atYWPr/p3ofeNw/0Vq5666g3Aw==
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

2026-09-17T12:01:42.363446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017751
observed 7db3db1020cf35450e961cb7ddc74478...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:42.348672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017751/manifest.json
observed 49692a432b0a53c0e43dba87f04d1cbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:42.332278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017751/publication.md
observed c0464aab150f82347134b34cdef50338...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:42.316717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017751/publication.txt
observed cee0883da9a1ed93314bd9d65895a93f...
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.