OpenTechnical

OT-2026-000033551

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pulsed blow-off before 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-2026-000033551) never changes.

Identity and time

Publication numberOT-2026-000033551 · never reused
Internal UUID01a0ae75-a38e-72cd-aaee-c23343558134 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033551
StatusPUBLIC

Content hashes

Canonical text0f984484c53455bf7f9ec699b589fcd73aedc1b8e65955cb88c1ce79a30fcaa4
Markdown33f044accd89d67162e315a8001a451a4fa8a54253af0f8b8117af26ff5fd85a
PDF
Publication page1b137d7809eb0f7f74100fa762a297f11b33efff3ebf236db58a6959c46fe95e
Manifestdf4d47bcb80ee6460e1549155e13327219f701b6e66faa2dd95580ea3511b9c7

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
SignatureDr3WC9TrH+gmdDC2nLnlGePXfUv5uViFFiU2P4CEtgL5k9bBFW4EaqGG0ZVYnrH6hv5/QrfsSM3Y1Kt/0YopBA==
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

2026-09-17T11:31:24.946225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033551
observed 1b137d7809eb0f7f74100fa762a297f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:24.928008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033551/manifest.json
observed df4d47bcb80ee6460e1549155e133272...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:24.910902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033551/publication.md
observed 33f044accd89d67162e315a8001a451a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:24.894006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033551/publication.txt
observed 0f984484c53455bf7f9ec699b589fcd7...
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.