OpenTechnical

OT-2026-000017858

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000017858) never changes.

Identity and time

Publication numberOT-2026-000017858 · never reused
Internal UUID01a0ae6e-96fb-718e-a590-d155d4d08aab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017858
StatusPUBLIC

Content hashes

Canonical text96603bd0389366019a5cd6ba24a19e9312e54a4fd5c1fd870b549b2a573ab0d1
Markdownadf4d1136ed34042b1e515c72a12ee168ef1df3bb411981fbae14df546ce0b04
PDF
Publication page4e96e514a3bf85808d3d3bd05acf7615d4b9b96bff3887d3585ca905d2c61c03
Manifestb1e6421d0e5fee6f286065116a423c553bad94573c9d422a083986c798f65bea

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
Signaturew1tNgcjQRua0PSVItKSTvjObyT5sLsm035AR4LUcJvchMTifPVFl/KUgJ4Cjvi8EKCIGvVRUs5llMF83QrjFBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:01:50.506405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017858
observed 4e96e514a3bf85808d3d3bd05acf7615...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:50.489697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017858/manifest.json
observed b1e6421d0e5fee6f286065116a423c55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:50.471889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017858/publication.md
observed adf4d1136ed34042b1e515c72a12ee16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:50.454858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017858/publication.txt
observed 96603bd0389366019a5cd6ba24a19e93...
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.