OpenTechnical

OT-2026-000009153

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000009153) never changes.

Identity and time

Publication numberOT-2026-000009153 · never reused
Internal UUID01a0ae6b-31b9-7e07-9107-309ee675186c · 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-2026-000009153
StatusPUBLIC

Content hashes

Canonical text6ed91553050685c51723a43f029be0bfc3a9ab5166e6a822f8cc3919bf663d8f
Markdown6c17d6fbb938c6d0a4665cb6712601ff8242bd3f76d905f0d4b666f7531aabbb
PDF
Publication page0dad672ace6cfb44a4eb5328319f8dc5d41a58f1e4f8ff0ce5a686bd4cd4556f
Manifestfbaf1286b5a6059a56bddc1986c5643a1e50f4a6306bb839cb19a49a69e43876

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
SignatureOm+oC4WeGlQos5/LqRqsZ2tRpPJg8aqdd1YYp4NyWD2f9EQIDcwHG4gPa/7FFBswnLCuyEC7p3Syj1mep+9IAg==
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

2026-09-17T12:17:51.257148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009153
observed 0dad672ace6cfb44a4eb5328319f8dc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:51.237402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009153/manifest.json
observed fbaf1286b5a6059a56bddc1986c5643a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:51.216724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009153/publication.md
observed 6c17d6fbb938c6d0a4665cb6712601ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:51.198171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009153/publication.txt
observed 6ed91553050685c51723a43f029be0bf...
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.