OpenTechnical

OT-2026-000043732

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000043732) never changes.

Identity and time

Publication numberOT-2026-000043732 · never reused
Internal UUID01a0ae7b-d676-7217-ba20-401fcdea6ad9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043732
StatusPUBLIC

Content hashes

Canonical text71a5df8b775cedb4f961d967966fff1485047862d7bc5431173eef04b308b067
Markdownfa359f61347ea6b9e0b88d2c8cae9f17d0f917ac30c2aabbb17138ff1063590c
PDF
Publication page55256d9c53e9a2ec074c34f255e953bc8808b34e43ba493ebf1bca4d85805e75
Manifest387c32b31a065390603e811f2742e4ad651dcc7c299e5ad3a7f9e2bc83434d01

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
Signature/CBGnyJZjlicdz+eHfDl9QDHNPFbUkUFnip0FGuam2Br7+Egve8cPlhGKrXlC8OEwgUJzgqFxEF7Oz+K+kHWBw==
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

2026-09-17T11:12:00.327603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043732
observed 55256d9c53e9a2ec074c34f255e953bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:00.243879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043732/manifest.json
observed 387c32b31a065390603e811f2742e4ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:00.226022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043732/publication.md
observed fa359f61347ea6b9e0b88d2c8cae9f17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:00.092002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043732/publication.txt
observed 71a5df8b775cedb4f961d967966fff14...
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.