OpenTechnical

OT-2026-000049338

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000049338) never changes.

Identity and time

Publication numberOT-2026-000049338 · never reused
Internal UUID01a0ae81-1350-7a46-8e08-6d21e9b9674c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049338
StatusPUBLIC

Content hashes

Canonical text00aa7f369cc37c3247873b01045c90bbff6a921faed159e912e448c8903c3eee
Markdown3c2ea1fc72b71f73ed2d41ec1940d004fd2fa9830232ba296d60d25d3888d84a
PDF
Publication page9280789141a93af7209ed6e264aba60c4aef592d0e2f4ebb1ee87147e68ac511
Manifest4ccc41c98a1601cbc441f213b1d09a0a837f9441928a0736040f799051a51aa0

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
SignaturebvehjGK51nniVFsaZHWuLZ8lG6gWEupt/K4VIfI1o3kGZTy02YTuZPFMbiBX4x6mO5LMcV7DVKg5If20k+4+Cg==
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

2026-09-17T11:04:13.107342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049338
observed 9280789141a93af7209ed6e264aba60c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:13.087689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049338/manifest.json
observed 4ccc41c98a1601cbc441f213b1d09a0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:13.068984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049338/publication.md
observed 3c2ea1fc72b71f73ed2d41ec1940d004...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:13.048584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049338/publication.txt
observed 00aa7f369cc37c3247873b01045c90bb...
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.