OpenTechnical

OT-2026-000088178

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000088178) never changes.

Identity and time

Publication numberOT-2026-000088178 · never reused
Internal UUID01a0ae9b-1aa8-7843-8495-1ac4fa6c3227 · 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-2026-000088178
StatusPUBLIC

Content hashes

Canonical textb06b7c4f2787f41533e8b39f4d055a23113e35d2570f144e9872860ff247e5f3
Markdown38a467fdfe6d2379fd91150198005085dcd63ee3057772a401bf93146d2ea007
PDF
Publication page5a72d5bccfc226b3abcd6e5615d53d255901e65c17b7b88d0a73e24ddd01f693
Manifestb5639155f64d49dc190066d07e1d0d6acc009d925a5359142f417bced2ccc508

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
SignatureY5LD3DLfc6seMsqYtTObz+r6mc2ePPF1tSfbqgkwjkuW8yKsBv3KC3gGcC7PgywCF9dIhGVMngbu5cAzHtQuAg==
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

2026-09-17T09:50:14.539908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088178
observed 5a72d5bccfc226b3abcd6e5615d53d25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:14.523277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088178/manifest.json
observed b5639155f64d49dc190066d07e1d0d6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:14.503803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088178/publication.md
observed 38a467fdfe6d2379fd91150198005085...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:14.484343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088178/publication.txt
observed b06b7c4f2787f41533e8b39f4d055a23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:13.858021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088178
observed 5a72d5bccfc226b3abcd6e5615d53d25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:13.834835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088178/manifest.json
observed b5639155f64d49dc190066d07e1d0d6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:13.814504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088178/publication.md
observed 38a467fdfe6d2379fd91150198005085...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:13.795117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088178/publication.txt
observed b06b7c4f2787f41533e8b39f4d055a23...
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.