OpenTechnical

OT-2026-000059915

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000059915) never changes.

Identity and time

Publication numberOT-2026-000059915 · never reused
Internal UUID01a0ae89-ec26-73b8-998d-0ed495760839 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059915
StatusPUBLIC

Content hashes

Canonical textbf09d62dace217731ecc00d3380f178369be9151da551897ab0eb4587ed576bd
Markdown6a34356f5964a5483284794aa485677f62b1a45db6f272cdb838ee7526c3caf4
PDF
Publication page7e6d4734fc8f80d4cf063fe1d95968b1d1311f356cad87a283347c16ed026b67
Manifest026caec7f14edc9c360e8c8577e890e1c772c0bc09b6730699369d907dc0c050

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
Signature6ZDj+0uY50jmq42Phy7zoRdjZl5C7IOdwAJlvDnzZTEziLvm/sxz19IfFkd1EYa5xySOIT56ZUvB/5R+6bUcBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:40.869675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059915
observed 7e6d4734fc8f80d4cf063fe1d95968b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:40.852956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059915/manifest.json
observed 026caec7f14edc9c360e8c8577e890e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:40.833238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059915/publication.md
observed 6a34356f5964a5483284794aa485677f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:40.812929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059915/publication.txt
observed bf09d62dace217731ecc00d3380f1783...
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.