OpenTechnical

OT-2026-000049344

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000049344) never changes.

Identity and time

Publication numberOT-2026-000049344 · never reused
Internal UUID01a0ae81-1350-7d00-bc28-69fb9cb3f5ad · 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-2026-000049344
StatusPUBLIC

Content hashes

Canonical text32c86d2e7e7db7d99714d1d12ccaf3e30939209b45342e5657d2328f5b15199a
Markdown8d3e1b9229dfacb5be05f9c55f22eae8230205336c3dba6ed8d1ef17d860129e
PDF
Publication pageef856f9f4b6736aba52011067b4ae5ab2313e2600c1dc0e2005d52491206a9c2
Manifest4765c35809fc3d6b3463fa490866f8397e90a7cefa203f2c4c614a91a165952d

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
Signaturepxvp5F6VZUDOMJT54l0Fwd35hXzMpgZWnJFV0KL5aiXtwBLNKEkOu2/RtgjM9poGEXeeSypjTps8HJ4ozwWuDA==
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

2026-09-17T11:04:13.600255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049344
observed ef856f9f4b6736aba52011067b4ae5ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:13.580510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049344/manifest.json
observed 4765c35809fc3d6b3463fa490866f839...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:13.561276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049344/publication.md
observed 8d3e1b9229dfacb5be05f9c55f22eae8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:13.543490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049344/publication.txt
observed 32c86d2e7e7db7d99714d1d12ccaf3e3...
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.