OpenTechnical

OT-2026-000089321

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000089321) never changes.

Identity and time

Publication numberOT-2026-000089321 · never reused
Internal UUID01a0ae9b-db01-7465-b26d-872db2a7ccd9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089321
StatusPUBLIC

Content hashes

Canonical text6320d103e4a7736ab31cbadd6d6d3bdb1e11ad7a9ab6878a674a3ca8ef078a93
Markdownae79fd1fcadf418cf6f16a28e63e46009ac71d7a83ef7da114e65df03f83ba26
PDF
Publication pagec718a9f8c9a40c6bc90639320dfe8882deaf1a6510000c6ad532534b0f550aae
Manifesteafed296fc7feb754ae86a14226a7bd7bd7adf3cad3c9fe6c3304a95f04414c6

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
SignaturepkX9kg1MyrlQp8/xPjWOra5JhwC6yeO0ukDbTSqFOmVjvnTJnFca6Bju1B5duMsKu1q/pjUBRRGw1vDvJq2gBw==
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

2026-09-17T09:47:22.369196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089321
observed c718a9f8c9a40c6bc90639320dfe8882...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:22.352693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089321/manifest.json
observed eafed296fc7feb754ae86a14226a7bd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:22.335594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089321/publication.md
observed ae79fd1fcadf418cf6f16a28e63e4600...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:22.318421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089321/publication.txt
observed 6320d103e4a7736ab31cbadd6d6d3bdb...
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.