OpenTechnical

OT-2026-000099707

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000099707) never changes.

Identity and time

Publication numberOT-2026-000099707 · never reused
Internal UUID01a0aea2-c977-76b5-bb71-f71efa4d7acb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099707
StatusPUBLIC

Content hashes

Canonical text589732d9d6f4c206ac1f171925eddb83c0cf13aabdfcf315937dc77c4f8bf3d5
Markdown5df14e5ec7467e80a6e203a0a6a7536f2937a48a55a7d81049c457c717d4f133
PDF
Publication pagea6e451d6fab17b9e03b72012ee248dbdc3fcc1c54c02dbc6a5dde59e12920c73
Manifestf8429e81ea19cea9b62512524b062a282dcc7c7294e438fb80f22fe673aa924c

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
SignatureA/Dw5QVCQYywZSEO0xZTMNiVl3o4n1z5p5pUQRoveTgpNgAgtA2/570NLX6FgtyWoEH+ZjoKLprGtx5yzIcCBg==
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

2026-09-17T09:29:43.368725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099707
observed a6e451d6fab17b9e03b72012ee248dbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:43.350042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099707/manifest.json
observed f8429e81ea19cea9b62512524b062a28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:43.331946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099707/publication.md
observed 5df14e5ec7467e80a6e203a0a6a7536f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:43.314342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099707/publication.txt
observed 589732d9d6f4c206ac1f171925eddb83...
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.