OpenTechnical

OT-2026-000009222

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, vented 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-2026-000009222) never changes.

Identity and time

Publication numberOT-2026-000009222 · never reused
Internal UUID01a0ae6b-31b9-71a1-8e0c-68c1ebb1306e · 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-2026-000009222
StatusPUBLIC

Content hashes

Canonical texta445e3acdaad2f0abb34f0c853c786450a7380577520ea5979b1d8651f175f79
Markdowna96d9fe15ce9cfa071da495d87939cdcbbad9b7f17b64ef636e0717fc93ea23a
PDF
Publication pagee899ea1b00b44ba240ee1351ff6e8e0b78acd849cb8c4e15bdb17c25df284a71
Manifest09e7a85018a30e78f7a94c0a3eae1aa501f32fbba30dd2565a560db88c16e9e1

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
SignatureOEfS9mWGZrCvniB5lG/RuZWdhq2ljAFxlWwc0He228YzeLwcqnn4sfJtjtL10nvkZ5eGeqobnzMzfx1t/TDEDQ==
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

2026-09-17T12:17:57.069007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009222
observed e899ea1b00b44ba240ee1351ff6e8e0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:57.049521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009222/manifest.json
observed 09e7a85018a30e78f7a94c0a3eae1aa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:57.029378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009222/publication.md
observed a96d9fe15ce9cfa071da495d87939cdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:57.008264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009222/publication.txt
observed a445e3acdaad2f0abb34f0c853c78645...
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.