OpenTechnical

OT-2026-000009508

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single 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-2026-000009508) never changes.

Identity and time

Publication numberOT-2026-000009508 · never reused
Internal UUID01a0ae6b-7562-7b03-94a3-744c8148ce01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009508
StatusPUBLIC

Content hashes

Canonical text5024339b15128a37d078d8a59ce4a078af4a89edf2f118eda2131d3717d65607
Markdown7f03a3176aab336d0dde8420bc811dbaa438c4f4aeb4ac15dc9b9c10708f5cc5
PDF
Publication page3bcb1fe2f209aedf1c0571873153cd827d9081ad8337ab7d77dea6d320aedb45
Manifeste530a23bc89fa73125528e4e2395e54d11617e19b7cfae28a12f1bf3710949ad

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
SignaturevpUHxF2iBq5AWWAx3iTMHHfi26Yx2S3x6PLhhyuonNa5+dbq7mHJiGhz0jXvimY9YgBtEKiGA6Ilwsw3QY2kBg==
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

2026-09-17T12:16:55.067471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009508
observed 3bcb1fe2f209aedf1c0571873153cd82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:55.047330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009508/manifest.json
observed e530a23bc89fa73125528e4e2395e54d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:55.027196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009508/publication.md
observed 7f03a3176aab336d0dde8420bc811dba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:55.007771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009508/publication.txt
observed 5024339b15128a37d078d8a59ce4a078...
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.