OpenTechnical

OT-2026-000016057

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000016057) never changes.

Identity and time

Publication numberOT-2026-000016057 · never reused
Internal UUID01a0ae6e-0c4e-7393-8ce6-9d122c17c3a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016057
StatusPUBLIC

Content hashes

Canonical textdc707b9c9d46471077cdbdea8569f688a37f0b6a1a2dc2ad7f7b7f8fc9bee28b
Markdown62f2ecc64c621d87ca900b5c569230562f57ef1635f73f4e8e417846905f9b19
PDF
Publication page047c935dc97330e23245267361b0b16dd041da0b6ae38c14034e995cadf00d47
Manifest9931d62cfc9ffc0b92ecb7a3d3b731572d630a04376a740b1e650b26db9f3c8f

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
SignatureDlKxItGi4hK/sskrwMvVby6nYj71tN0a8fjpLMyuVNhykgb/Zu/6FucGoiGs5M7bTSIf4cqlpytDXuHj7BM6Aw==
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

2026-09-17T12:05:36.989199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016057
observed 047c935dc97330e23245267361b0b16d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:36.970103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016057/manifest.json
observed 9931d62cfc9ffc0b92ecb7a3d3b73157...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:36.949124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016057/publication.md
observed 62f2ecc64c621d87ca900b5c56923056...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:36.928417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016057/publication.txt
observed dc707b9c9d46471077cdbdea8569f688...
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.