OpenTechnical

OT-2026-000067348

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000067348) never changes.

Identity and time

Publication numberOT-2026-000067348 · never reused
Internal UUID01a0ae8f-6bd8-7492-a64b-cc11609e1751 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067348
StatusPUBLIC

Content hashes

Canonical text20ec06085744f4be2dfe4a9098a06a3da7c0f6017d79953664ba246471eca877
Markdowne8b41a5c27379e8e80a6ac53e2c5fc41a9cc339f90af6fd3088f8da465c7bfc3
PDF
Publication page4f5180ee562624f6dbeda9566024f0445a96e6428682314ce0e555bb5e04ae32
Manifestf509cac33b3b6fc0e101242eef9e70c2421bd136913bf6b1ff335a2055e82304

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
SignatureG6VMHg/BV1mdYnZ8IHaeQdVAsUTDGiGEgxCy89pyGXO+/O0Yl1s6MH82mycrzAtImoeGFuEsa3AgPQYF7MgsDg==
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

2026-09-17T10:31:32.050093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067348
observed 4f5180ee562624f6dbeda9566024f044...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:32.034318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067348/manifest.json
observed f509cac33b3b6fc0e101242eef9e70c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:32.017102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067348/publication.md
observed e8b41a5c27379e8e80a6ac53e2c5fc41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:31.999708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067348/publication.txt
observed 20ec06085744f4be2dfe4a9098a06a3d...
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.