OpenTechnical

OT-2026-000068945

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000068945) never changes.

Identity and time

Publication numberOT-2026-000068945 · never reused
Internal UUID01a0ae90-6dcd-7893-a2eb-7f093621df51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068945
StatusPUBLIC

Content hashes

Canonical textafd33f86c3b352bef0266b8eab9ad291b780e94e803b459394e4f14baad62ea9
Markdown1e84180876290beb5b0a04d4b81e84b282be3eebab01556bc86b318871398135
PDF
Publication page86ca36a7da5f87f116d5f68ef0275e1f5a336c15037c04ecff477f678681bcb9
Manifestd8b64e25ab09e7b74f2f3d56a3aefa778770a750ea8f6dc726800d7157b92f80

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
SignatureZflUSn0Br1ikD72N8KVLB+KaF4y1KyH8xtwbr7/VSlApv5YprPHs8Z29pxqnXM4VjuTMSF1sH8Pu7vuBuOlcCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:28:46.834192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068945
observed 86ca36a7da5f87f116d5f68ef0275e1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:46.815458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068945/manifest.json
observed d8b64e25ab09e7b74f2f3d56a3aefa77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:46.797386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068945/publication.md
observed 1e84180876290beb5b0a04d4b81e84b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:46.779437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068945/publication.txt
observed afd33f86c3b352bef0266b8eab9ad291...
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.