OpenTechnical

OT-2026-000087520

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, 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-2026-000087520) never changes.

Identity and time

Publication numberOT-2026-000087520 · never reused
Internal UUID01a0ae9a-cd51-7f7d-bdfc-bb8df93267cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087520
StatusPUBLIC

Content hashes

Canonical text4064ede92dc035b95a7bb5628c31949d77a835b920a20bd22fc7cb35fe8c86cc
Markdownb07311d8b2f14883474eb0a292c2f6575b3b76b492d4fb37145adf5b51a89d42
PDF
Publication page0283f30fe68f3a742f09202e9bcff9bb43e878f38be4e3c93e6cc6df13aa2328
Manifest7f3e61509cae1c9f88ccd2d52d45de0b1d36fb0fbc054365a4b96edce95159bf

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
SignatureitDpicUE+XzOABTFbP2pJjQkiuHonrR1lcLZri4VXzx2HXZUN5DG3AlDUQn6NQqHEm0rUFPXr0vbn3W0ae9kAQ==
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

2026-09-17T09:50:51.390092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087520
observed 0283f30fe68f3a742f09202e9bcff9bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:51.374843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087520/manifest.json
observed 7f3e61509cae1c9f88ccd2d52d45de0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:51.359232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087520/publication.md
observed b07311d8b2f14883474eb0a292c2f657...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:51.342691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087520/publication.txt
observed 4064ede92dc035b95a7bb5628c31949d...
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.