OpenTechnical

OT-2026-000087827

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, 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-2026-000087827) never changes.

Identity and time

Publication numberOT-2026-000087827 · never reused
Internal UUID01a0ae9b-1aa5-7458-8e22-e7857e60366c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087827
StatusPUBLIC

Content hashes

Canonical text26706e87acd4fcb7db5adb2518a94e8d9aa41da7b355c0f75f00bd956fab7b7e
Markdownef0e79d3d272d8460c29d70497191ab858d7d8d828b125be81192e1970f791dc
PDF
Publication page083ae797cf57f97131a08ecb4f8449442b4cee4f0a2fca371b3e8dc6a5a4614c
Manifest7f38a24ef1680c744e6279011eeb73807f903f045d254986f7fd7af1ed7f52de

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
Signature+pP/zPa8A0lWwYphElyYUMlU34I2AYnHnk1OxU4snf6DEp0mebJpynhr3IDLfxgdV12E/NaKxK2ngGyUuL/sCQ==
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

2026-09-17T09:49:04.108156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087827
observed 083ae797cf57f97131a08ecb4f844944...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:04.086568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087827/manifest.json
observed 7f38a24ef1680c744e6279011eeb7380...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:04.069007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087827/publication.md
observed ef0e79d3d272d8460c29d70497191ab8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:04.049152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087827/publication.txt
observed 26706e87acd4fcb7db5adb2518a94e8d...
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.