OpenTechnical

OT-2026-000055905

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000055905) never changes.

Identity and time

Publication numberOT-2026-000055905 · never reused
Internal UUID01a0ae87-0a4a-7851-8e9d-26d2aabe76f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055905
StatusPUBLIC

Content hashes

Canonical text0e7f39784f723a08dda1a7379089230c2ef9a9a01e95feaee07c7cc085088918
Markdownf82a3614b4deedd6fc0c367a271ed78f30024816531e424986d630d502e4891b
PDF
Publication pagea93a5fefdaf1bbf713f49046889ad29fed47ef678d019d56205744e1f31e3c11
Manifest207b02babac2025c87a80c75ead1f51b423410f2078c4fd11b128dfa6df132fb

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
SignaturesMDY14iNvh+QrVzzq3/AVqKyysqxHFU1xUmDC6BU4TnWcrgQmPl8aIxTmeylJqxHrupEglt47MNaVDOcuW/lBw==
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

2026-09-17T10:51:24.495642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055905
observed a93a5fefdaf1bbf713f49046889ad29f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:24.476347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055905/manifest.json
observed 207b02babac2025c87a80c75ead1f51b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:24.458826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055905/publication.md
observed f82a3614b4deedd6fc0c367a271ed78f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:24.440921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055905/publication.txt
observed 0e7f39784f723a08dda1a7379089230c...
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.