OpenTechnical

OT-2026-000056807

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, supply line 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-2026-000056807) never changes.

Identity and time

Publication numberOT-2026-000056807 · never reused
Internal UUID01a0ae87-7af7-7f2e-a0e0-ba9bfcb79406 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056807
StatusPUBLIC

Content hashes

Canonical textdccc4c7754fed503f509710ef5451e53d25f9b903f345318778bcdbc61375223
Markdowndb7a35daeacf613b0a3dc6e1892de43da843c00d7405f88895fe5cfce6382799
PDF
Publication paged62eb7748b15fc9add5c308297318f203c4b755868b4ca7e8b1d2c28226d8a10
Manifestfe93b1c677590784320a56ae3c3c07268c229572feeb02690ded1eccaa2862ca

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
SignatureufT9txAnUGYdwKuhF2OMKvVu5INArsQHrA3zsCQLf4ZPHPWUP2dRnulfXdIZMVN8d2yB8OQnLEfEzNNZRCNeCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:17.588394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056807
observed d62eb7748b15fc9add5c308297318f20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:17.563698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056807/manifest.json
observed fe93b1c677590784320a56ae3c3c0726...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:17.544166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056807/publication.md
observed db7a35daeacf613b0a3dc6e1892de43d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:17.525003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056807/publication.txt
observed dccc4c7754fed503f509710ef5451e53...
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.