OpenTechnical

OT-2026-000009380

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, pulsed blow-off after 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-2026-000009380) never changes.

Identity and time

Publication numberOT-2026-000009380 · never reused
Internal UUID01a0ae6b-7561-74a6-981a-fc4f858fcaf7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009380
StatusPUBLIC

Content hashes

Canonical text093bac29806b5565af31d1d0c2b44c2adfbf6f2ad9698ce7bc91564d466c67c5
Markdown1c7878f45c5e23477595efc7025182f9d3867f35964b5f49e3be6dc91f718bf8
PDF
Publication page91dcc25b1e8fdc714e56e46cbec3932837da5c8b7d25dfe3bb8f98dae1604cbc
Manifest49ebab43d8008dd11d1baf8fd4f782d776031baef557d47ce50a66abc36b6b6e

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
SignatureRCsUhHit01zsYqNPxfLtz2m4JUz499whadi3YamxITi40drvueWcXu3RSNnq01brin2yWSTAOw67Khuno+F5Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:39.148469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009380
observed 91dcc25b1e8fdc714e56e46cbec39328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:39.128898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009380/manifest.json
observed 49ebab43d8008dd11d1baf8fd4f782d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:39.110312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009380/publication.md
observed 1c7878f45c5e23477595efc7025182f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:39.091241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009380/publication.txt
observed 093bac29806b5565af31d1d0c2b44c2a...
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.