OpenTechnical

OT-2026-000059556

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, sustained blow-off after 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-2026-000059556) never changes.

Identity and time

Publication numberOT-2026-000059556 · never reused
Internal UUID01a0ae89-ec23-760b-8df3-2d249b3b9d4f · 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-2026-000059556
StatusPUBLIC

Content hashes

Canonical text7beeb630469e4155c1a223a141e10eb57c9291631c2e6095c1574cddd1d43ea6
Markdown997c85751c5a772c463c1dd022c91f6acd1606175eec4be8e70b7250e3841065
PDF
Publication page4db6600ba27fd8078364a71c5235d9fe97e537f951c5e9385a2da0530b81dfac
Manifestaee9735a1e1d42b1109cc7c6dac7834537c2303bcf00db25a207a42d0ac517c0

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
Signature2LXhQfSOSvlQ9iTzOoidGHkr3fsP9/otHH2ld0bv1hnm+b4Pp00GhnoUGSITOIbOYH6qATLQWg91Wd7PGcx/Bg==
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

2026-09-17T10:44:11.940856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059556
observed 4db6600ba27fd8078364a71c5235d9fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:11.923167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059556/manifest.json
observed aee9735a1e1d42b1109cc7c6dac78345...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:11.904115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059556/publication.md
observed 997c85751c5a772c463c1dd022c91f6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:11.827042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059556/publication.txt
observed 7beeb630469e4155c1a223a141e10eb5...
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.