OpenTechnical

OT-2026-000037372

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000037372) never changes.

Identity and time

Publication numberOT-2026-000037372 · never reused
Internal UUID01a0ae77-b8cd-71f8-b0fc-59aa3f70892d · 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-2026-000037372
StatusPUBLIC

Content hashes

Canonical textf9ecd767e124ad4b3c668882e59923feacc50af19fa6d6c7b8e36b2520ad4f69
Markdown1de64b49a1c37a59454aaa7783c2d6b8173de4a1a62882edc389b16c90a39157
PDF
Publication pagef13a3ee53d23d97fb957bb1ac0cebab0049ff5ff691c835a03e90d112e619d42
Manifest14b45bdbd4fb433361f540ef305d4cf21b7ab0d776c09a2620e84d2d5733c9bc

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
SignatureaZHI4i9/1ybBMMg623Cwwoin65wf02zT+ZMSSoLsta5p8Tcj74Rz/mZBiV1jjb/p6ZPjRZNqJDWx3ElnRnvGAQ==
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

2026-09-17T11:23:47.674974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037372
observed f13a3ee53d23d97fb957bb1ac0cebab0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:47.654391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037372/manifest.json
observed 14b45bdbd4fb433361f540ef305d4cf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:47.637079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037372/publication.md
observed 1de64b49a1c37a59454aaa7783c2d6b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:47.619962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037372/publication.txt
observed f9ecd767e124ad4b3c668882e59923fe...
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.