OpenTechnical

OT-2026-000087707

Publication integrity record

Foam pad vacuum gripper, four zone face, pump 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-2026-000087707) never changes.

Identity and time

Publication numberOT-2026-000087707 · never reused
Internal UUID01a0ae9a-cd54-76f4-abb8-bba0451accbb · 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-2026-000087707
StatusPUBLIC

Content hashes

Canonical text3001dfe1943d0b7e6ec1dd3e41280b50a2f36f0213604cb950d732489cd11ee4
Markdown623c70bab3f79055b43b4d646cfeb39fcacea5d727e56dbcb58aec8efcce3c53
PDF
Publication paged0b5a883d30b38f0499da9263f1cf98860ca507399752b4ef5e83315bd67cd48
Manifestf8bad5f28d1c47d524ee7b98feed37ac242b97e9f0f2a3edc1bd0a6eb3341eda

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
SignatureayXA3GSCxoNWKFP9+OwbGXYHsFtQTtchZgeNllAD2dx2oYq+g48OGYlfRx3pr+uAcEZr7rekImRuzA1DMNRDAA==
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

2026-09-17T09:51:09.514294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087707
observed d0b5a883d30b38f0499da9263f1cf988...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:09.498672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087707/manifest.json
observed f8bad5f28d1c47d524ee7b98feed37ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:09.482297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087707/publication.md
observed 623c70bab3f79055b43b4d646cfeb39f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:09.465035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087707/publication.txt
observed 3001dfe1943d0b7e6ec1dd3e41280b50...
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.