OpenTechnical

OT-2026-000027051

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, 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-2026-000027051) never changes.

Identity and time

Publication numberOT-2026-000027051 · never reused
Internal UUID01a0ae72-3453-73b3-bef2-8659e9445de8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027051
StatusPUBLIC

Content hashes

Canonical text20980ecd34b41c36ed46e64ee1e1a1ffafb1fd6e829f3b99ad74c468be3c8ffb
Markdown1a4af21edc99b225ac15b3a0bc6815ba71343f17c02fcec294521bb47accbe02
PDF
Publication pageebce1c1f5a9d4af12d90573e80977032830d1ca97095eb0515e7aa0c8b7cedfe
Manifesta9bdc2a4afedad54f0f872bf4c4b7d3838c53732b0c94755c4d68dcc2e9ab53a

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
SignaturembomwiOEowwPCUwQHvaB5p+fbb2EY1ix3ZLvq14SdmfqsQxKKnAduG8a/ODnF2DZRybEoa4xEaZVE+CkI5ULCw==
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

2026-09-17T11:43:48.528213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027051
observed ebce1c1f5a9d4af12d90573e80977032...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:48.506005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027051/manifest.json
observed a9bdc2a4afedad54f0f872bf4c4b7d38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:48.489380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027051/publication.md
observed 1a4af21edc99b225ac15b3a0bc6815ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:48.471246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027051/publication.txt
observed 20980ecd34b41c36ed46e64ee1e1a1ff...
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.