OpenTechnical

OT-2026-000037649

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000037649) never changes.

Identity and time

Publication numberOT-2026-000037649 · never reused
Internal UUID01a0ae77-b8cf-717d-9947-bf6928a7acfc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037649
StatusPUBLIC

Content hashes

Canonical textd657c34dedd4d3fb89a895a58207908f57b8eccac0be34693add954cdf229614
Markdown78064d79664a6cc384f179f3c1a348c8dca83887c75773523cf3761d0aa42ddc
PDF
Publication paged11fd6ed3b9288bfdf088429faeb64365abef1c045e6f8ca8a1f2d0146fe4972
Manifest722b9618dcdb22445068bf2e2ced98dc73d7aa7b3b444899e6a34a5cf39695fb

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
SignaturehKaVmm2IU4DD7B23McEr5SuXE39Ir2sE7vuuLiVy0+iRMIOlwQ+rnGYqt/SjfllBgKghOBNzIp91DnNNC5AmAQ==
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

2026-09-17T11:24:13.244806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037649
observed d11fd6ed3b9288bfdf088429faeb6436...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:13.224993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037649/manifest.json
observed 722b9618dcdb22445068bf2e2ced98dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:13.206386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037649/publication.md
observed 78064d79664a6cc384f179f3c1a348c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:13.187858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037649/publication.txt
observed d657c34dedd4d3fb89a895a58207908f...
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.