OpenTechnical

OT-2026-000043694

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, sustained blow-off after 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-2026-000043694) never changes.

Identity and time

Publication numberOT-2026-000043694 · never reused
Internal UUID01a0ae7b-92d1-7de6-9407-a77a8f373c94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043694
StatusPUBLIC

Content hashes

Canonical text58590a1500d433effa6aa6b6f656adbfd54e868cfaaeba48f9113446eaa63bf8
Markdown33f6759e28f066e72dc717c7513a4a724e11325addbe2a55b477c97f4aa1c3bd
PDF
Publication page338afdae9b712a9e5c961011559c7d1e0d12e1edbd852e2fef9f1f3e02cef993
Manifest7991a5f3cf8f63e645dec700cef85231749a5c19c389ea49885f6b04ea377d6a

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
SignatureN5Zwt8ku6OmEDN31uJllqIQwSKFf6AksuznrTxPLgclf00a0eUW1yIznXRLjbsGJLMTlSYMEOnjLPCMocBNrCQ==
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

2026-09-17T11:13:11.280763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043694
observed 338afdae9b712a9e5c961011559c7d1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:11.262154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043694/manifest.json
observed 7991a5f3cf8f63e645dec700cef85231...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:11.241547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043694/publication.md
observed 33f6759e28f066e72dc717c7513a4a72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:11.221143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043694/publication.txt
observed 58590a1500d433effa6aa6b6f656adbf...
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.