OpenTechnical

OT-2026-000079269

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000079269) never changes.

Identity and time

Publication numberOT-2026-000079269 · never reused
Internal UUID01a0ae96-0b90-7947-a4c0-e81476339892 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079269
StatusPUBLIC

Content hashes

Canonical text44e7a52555bfe4db3e4af0231b6d8e8937199b89352fb6a9123958a353cb8a33
Markdown3872bb36fa2ca83c982daa6b2103c96ad85d49fb8d1055634203318e93812fc0
PDF
Publication page6d5851fca8627d37ce683ea6c88e35be51d623ff63fd1be972dd3aa6d044abb4
Manifest0f3ec504835b0f9929af3b73d09e60453e09f96fd9658421c652816e5c9df2b6

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
SignatureY7U21TIhrl6iNy7cFHLwo/Gf6VNPE+vONOCy2w6VVBsQzcMUaafpCiecem5l+NPxvGwwpRWTofr0ZOFspraBBg==
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

2026-09-17T10:04:52.373707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079269
observed 6d5851fca8627d37ce683ea6c88e35be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:52.353998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079269/manifest.json
observed 0f3ec504835b0f9929af3b73d09e6045...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:52.332445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079269/publication.md
observed 3872bb36fa2ca83c982daa6b2103c96a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:52.311617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079269/publication.txt
observed 44e7a52555bfe4db3e4af0231b6d8e89...
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.