OpenTechnical

OT-2026-000037489

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line 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-2026-000037489) never changes.

Identity and time

Publication numberOT-2026-000037489 · never reused
Internal UUID01a0ae77-b8ce-7e41-9837-8f0d3d2d52f0 · 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-2026-000037489
StatusPUBLIC

Content hashes

Canonical text7cf1548b86fa544a4b56ab3c894427fbb1e87c1b4b9f50d3ef4608f534d67aa4
Markdown52c5c542bf2ae1efa01bcd1df4134704d6e2d6463044d8d90282ac0537e4a861
PDF
Publication page6f0afe23ed12135935bf2e788fba21524959bcbe189c4ce088850fb96a7e60e8
Manifestc81dc23efb45b7ca60b64e91a5d5582c0e449b81ba8802137f07f21b3d1f30cc

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
SignatureL6yRe+WhdRnx4PxDzNz0JeQ2VmQmO+nePI/kPMPt/WYZ2zPe/HgugW66IaOfY7e4KpJdi10UUL3dhHjywCtpCA==
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

2026-09-17T11:23:55.942482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037489
observed 6f0afe23ed12135935bf2e788fba2152...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:55.924144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037489/manifest.json
observed c81dc23efb45b7ca60b64e91a5d5582c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:55.905582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037489/publication.md
observed 52c5c542bf2ae1efa01bcd1df4134704...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:55.887215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037489/publication.txt
observed 7cf1548b86fa544a4b56ab3c894427fb...
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.