OpenTechnical

OT-2026-000087775

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, three stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000087775) never changes.

Identity and time

Publication numberOT-2026-000087775 · never reused
Internal UUID01a0ae9b-1aa4-79ca-b33e-c95f94124543 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087775
StatusPUBLIC

Content hashes

Canonical text9fb1d756e802a6ea6785e309463c25395ba51ea79b36e7cfa48673047a7c416a
Markdown614986ca1d0e9dd8f478ca9b31e5747059c83b5d4b4a8f78dbaac4cf29c3e942
PDF
Publication page3eb34c75c429c70373f090071acee72ae7ab0733f494bd181f10baf6e99f3e6d
Manifest43246fe29836d31af8992f742a84b4b4ff0f09787c6801b6fbdbfe202e41405f

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
SignaturejjmWVxT9XBR6fm13wfc3+BThyOGK6VcQM3mBljTCxOcfP0CUQ56lC3DpzZ8y05fzLrwNuKfPidiY1WY40t/pCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:48:58.715242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087775
observed 3eb34c75c429c70373f090071acee72a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:58.696621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087775/manifest.json
observed 43246fe29836d31af8992f742a84b4b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:58.679760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087775/publication.md
observed 614986ca1d0e9dd8f478ca9b31e57470...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:58.663135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087775/publication.txt
observed 9fb1d756e802a6ea6785e309463c2539...
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.