OpenTechnical

OT-2026-000042263

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000042263) never changes.

Identity and time

Publication numberOT-2026-000042263 · never reused
Internal UUID01a0ae7a-5d73-781a-932e-42e37a74814a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042263
StatusPUBLIC

Content hashes

Canonical text3b1d79821940f453091a27da34998aacd64155c05823cf1de531dee2f5980a06
Markdown46c82a991936b5ea5f651bc1da943e4f2a42f28c1ab3dc1f9e97648f0d64c8c6
PDF
Publication page91ff2b1414694e672d8f884ad528026c55e964f8de43672fe3fd0513894a419b
Manifest037a7bba754d5dfb4c3b6d1d5b26095a2dd4d9e51bd1f610d01c1aa541b2a3b8

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
SignatureX5wTC54cNuaDvL714F1eI8yLsDkiGkUVF5L2hj8W48PX1nWA/vmjlNE+FSdu1bW1FrLWlf2HAU7KjiA+owsGCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:15:56.972249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042263
observed 91ff2b1414694e672d8f884ad528026c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:56.954154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042263/manifest.json
observed 037a7bba754d5dfb4c3b6d1d5b26095a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:56.934947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042263/publication.md
observed 46c82a991936b5ea5f651bc1da943e4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:56.916085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042263/publication.txt
observed 3b1d79821940f453091a27da34998aac...
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.