OpenTechnical

OT-2026-000009216

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented 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-2026-000009216) never changes.

Identity and time

Publication numberOT-2026-000009216 · never reused
Internal UUID01a0ae6b-31b9-7d9c-bb8f-8d4150f4511d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009216
StatusPUBLIC

Content hashes

Canonical textfc3dabfe651bb9c2c39bdf36c1255ba8f18d8a49cc80d1aff2a4070b410501a3
Markdownc84df3f2d7e116dd5881e937ab75406dfd51cb424907c53826d1c00e4e45470b
PDF
Publication page8883dc6e288849956334c227411a41c2870b4d1126ac4ff61bf5ffaa90b08edf
Manifest86a4288ab35beb75293cb15cbb73336d54f33fe2946cec4585711cfa7d7b0db5

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
SignatureizzY7pWTi77Fb6f4Nu7+jL52sFVbW/w4+J1a0/6s0wmXVM3o/0HlXLUzRu8KxOF0HlXFlyD1viPJwJ21aEXpDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:56.491043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009216
observed 8883dc6e288849956334c227411a41c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:56.472809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009216/manifest.json
observed 86a4288ab35beb75293cb15cbb73336d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:56.455483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009216/publication.md
observed c84df3f2d7e116dd5881e937ab75406d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:56.435234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009216/publication.txt
observed fc3dabfe651bb9c2c39bdf36c1255ba8...
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.