OpenTechnical

OT-2026-000060223

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, manifold 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-2026-000060223) never changes.

Identity and time

Publication numberOT-2026-000060223 · never reused
Internal UUID01a0ae8a-5a73-77ad-9429-a2c81ec35d2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060223
StatusPUBLIC

Content hashes

Canonical textb8fec42b82e0b1e6a6d5783a2d145816adc65bf1cbae96014e4e59688663505e
Markdown1a0a7597f36aa52eebd6400db236acb096d5ae9647eaa4ecbe48ccbce9d22dad
PDF
Publication page3ceb5774c891a9f51a86df1b3bd6b75df161258798b2d089dc1545f44b8b19ed
Manifest046c4ef88e7763dd66d18db7670979f683f9579a4c16932a402d8eddb3d5283c

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
SignaturePuMaE4ulpGBwONbBk4O6yVfdA4fN1NoVk2i0jFy3ZZf8WTnqfh/J+VJ9RMMct1LxAnssknpKzALO0w6KJSfKBg==
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

2026-09-17T10:43:53.994647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060223
observed 3ceb5774c891a9f51a86df1b3bd6b75d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:53.976138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060223/manifest.json
observed 046c4ef88e7763dd66d18db7670979f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:53.956564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060223/publication.md
observed 1a0a7597f36aa52eebd6400db236acb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:53.935637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060223/publication.txt
observed b8fec42b82e0b1e6a6d5783a2d145816...
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.