OpenTechnical

OT-2026-000067100

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000067100) never changes.

Identity and time

Publication numberOT-2026-000067100 · never reused
Internal UUID01a0ae8f-14ff-718d-b3eb-b61e7ed6a1f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067100
StatusPUBLIC

Content hashes

Canonical text8823d1e441ec17d2888d2b32b6c245484ccf117df499bebc87231b7e7669ea11
Markdownd738fa3e62c15ad52ea562db435e2ccd78c9ff193b9aeab9ffc936cde6fcfe6c
PDF
Publication pageb45b3ab5d1890be4fe1d9718ed6af576128a0744744ae9ab473363626947133d
Manifest04eb603461bd6515790870a082a52780b43ae573b720df795e905d170a0bc6e2

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
Signaturer7/MUxj2QUc0aXq4wCqAR8UY1vE9wKPxT2/wI3zcApsAMJuczAMOK5CWP5P3YLlc0ZW906bO/fjpq5ASwOHUCg==
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

2026-09-17T10:32:22.055226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067100
observed b45b3ab5d1890be4fe1d9718ed6af576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:22.038188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067100/manifest.json
observed 04eb603461bd6515790870a082a52780...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:22.021629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067100/publication.md
observed d738fa3e62c15ad52ea562db435e2ccd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:22.004782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067100/publication.txt
observed 8823d1e441ec17d2888d2b32b6c24548...
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.