OpenTechnical

OT-2026-000097555

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single 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-2026-000097555) never changes.

Identity and time

Publication numberOT-2026-000097555 · never reused
Internal UUID01a0aea1-55b4-7af5-bfb6-8b27fd73a355 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097555
StatusPUBLIC

Content hashes

Canonical text2c5f27e5c3dabac721d236af9aaca3767f9d9fe4609cb799f209ff048146c32b
Markdown9a80e626aafcbff195f1da5e1017653f1331b9933bfd3d5384f089afb1e1cabf
PDF
Publication page844d2bdc6bdb22c2cab3e853d023c4a4612fc279532078cbc05a550dde14141a
Manifest8ac966fdf60983ecec1ed5f010a8b1d4cc91c33a8e3c6a917d3c9914e43fe500

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
SignaturekAe9KY6f8lXG4y06eFZWkEUeI7rZz3+qGRwx5JHZw13rDd42EkfEmRQOJkFrPMGGIi2zxrZrgFkT7is+CfeDCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:26.214509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097555
observed 844d2bdc6bdb22c2cab3e853d023c4a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:26.197614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097555/manifest.json
observed 8ac966fdf60983ecec1ed5f010a8b1d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:26.181558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097555/publication.md
observed 9a80e626aafcbff195f1da5e1017653f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:26.164996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097555/publication.txt
observed 2c5f27e5c3dabac721d236af9aaca376...
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.