OpenTechnical

OT-2026-000088439

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000088439) never changes.

Identity and time

Publication numberOT-2026-000088439 · never reused
Internal UUID01a0ae9b-5d27-752b-8a5c-67bd8ab74cde · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088439
StatusPUBLIC

Content hashes

Canonical textb0105572d9df58c798c255edd796936c5e306c6e5eb70c63efee8d11416932ed
Markdownc439d56d3d8ad2ab4098a8df0de1c95a1399025846ea142a49cc48040a935e9f
PDF
Publication page66e35941b862ec4e3aab3cf877f42d32c147e5d9c67bf9a40fb5dcb225e5f679
Manifestd25286a3c313d627a78f95e981b17570144f7336bd1e4dc1df565cbc9bf0ac82

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
SignatureyF4ewoURdIamrDZMIVTiR6sS7SfBpmtmG7ExLfCaSxF3PUQ+niSgqjQdhrEd63RT5i9JlYg818kadZ3ioNUdBw==
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

2026-09-17T09:48:48.895653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088439
observed 66e35941b862ec4e3aab3cf877f42d32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:48.878126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088439/manifest.json
observed d25286a3c313d627a78f95e981b17570...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:48.858213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088439/publication.md
observed c439d56d3d8ad2ab4098a8df0de1c95a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:48.839199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088439/publication.txt
observed b0105572d9df58c798c255edd796936c...
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.