OpenTechnical

OT-2026-000031806

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, pulsed blow-off after set-down

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-2026-000031806) never changes.

Identity and time

Publication numberOT-2026-000031806 · never reused
Internal UUID01a0ae74-bad1-7950-9adf-9d546bbce6bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031806
StatusPUBLIC

Content hashes

Canonical textf4b7301218a64413d8c31290bc9482592f91d5593c909075946ac5f58174e171
Markdown6b97ab120f14c9132ed0964a95c828688bdc0d3ee2ad0f77a014bab695a3c079
PDF
Publication page4dd1a41a5ba42f02b6089c21f5e1b70922ecb0eb561a4756ac7ae1200d6b7c0b
Manifest25d93b54fd7551f81f308431a5adb3388fe4be5cfeb8c465adad25158369da9e

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
Signature8oVZ/kVxu99hNXp76IWd7b9PRh4SmSaYxgJaNbo8lXtb2MN7MyB0PRBHD3VcTuh514MbGerOHfaYrsOcN0G4Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:34:57.166161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031806
observed 4dd1a41a5ba42f02b6089c21f5e1b709...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:57.139404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031806/manifest.json
observed 25d93b54fd7551f81f308431a5adb338...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:57.086010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031806/publication.md
observed 6b97ab120f14c9132ed0964a95c82868...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:57.049771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031806/publication.txt
observed f4b7301218a64413d8c31290bc948259...
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.