OpenTechnical

OT-2026-000029354

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, supply line 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-2026-000029354) never changes.

Identity and time

Publication numberOT-2026-000029354 · never reused
Internal UUID01a0ae73-5e20-786a-8a7a-35f4a1233c11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029354
StatusPUBLIC

Content hashes

Canonical textd6b43079b7f84313284541477edfb11207821032c2f4c3948456cbfd9e4a4581
Markdowne556e52ae7387a4af5ff2f1e3dc27a2fbb226b79b889ce3911247bf9f96aaa8e
PDF
Publication page4bbdbfddd2ca9852b3aafffc02bbf9cb7e6a738a1910c875c4b5c079424fcfa8
Manifest904ca7a7bb97e5c62abf1c0abe0cf5d4e054c709cc98a69c21fea6095f5a8b45

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
SignaturekHAxVT6+KPlA7K5dnVVOnsAtuGi7svQdrGRJlAb1rfa8VzHMJR4t7wS8VN+zzTaq6UIdbEwCW6U6dsAGD3bhAg==
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

2026-09-17T11:38:54.553570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029354
observed 4bbdbfddd2ca9852b3aafffc02bbf9cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:54.535021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029354/manifest.json
observed 904ca7a7bb97e5c62abf1c0abe0cf5d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:54.514040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029354/publication.md
observed e556e52ae7387a4af5ff2f1e3dc27a2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:54.495114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029354/publication.txt
observed d6b43079b7f84313284541477edfb112...
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.