OpenTechnical

OT-2026-000017673

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000017673) never changes.

Identity and time

Publication numberOT-2026-000017673 · never reused
Internal UUID01a0ae6e-96fa-78c9-9dd0-05480d6eb3d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017673
StatusPUBLIC

Content hashes

Canonical textece5b4d69820fb7348b512bee17c86a5d81bb8b025a63bd976b44d1ef008200a
Markdown7f809c6b6cd7d0f98ae8d464cc70de9655bf101217f7d7b2f57cc5025b9f7fef
PDF
Publication page3c85f93b2861185bd95e4be3c55870a304439c90fb15b6a9fa35e43c3a7b8e0a
Manifestcc716780a9a6d5a10e92d0ccb0b61b202a4b31ab38b8eb846a8b98a9a0a778d8

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
SignaturecE3+AcTeapg1EIYr9+nlYigcgkPBVNPRygziIkRaG9IXRxEZZQaBkoZqDQVEiH03SgvA9yu37BJANqmaFiWKBw==
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

2026-09-17T12:01:36.690154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017673
observed 3c85f93b2861185bd95e4be3c55870a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:36.671012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017673/manifest.json
observed cc716780a9a6d5a10e92d0ccb0b61b20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:36.654602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017673/publication.md
observed 7f809c6b6cd7d0f98ae8d464cc70de96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:36.636273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017673/publication.txt
observed ece5b4d69820fb7348b512bee17c86a5...
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.