OpenTechnical

OT-2026-000070297

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000070297) never changes.

Identity and time

Publication numberOT-2026-000070297 · never reused
Internal UUID01a0ae91-545e-7330-9783-a9fb0397f8c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070297
StatusPUBLIC

Content hashes

Canonical text01e080f3cc9baaf25bcb0d35bc03a60db8d1733275231fff0367b17538460b89
Markdown80e91d32d07b06898e0ed7b3fe4bc608a8347aa0fb4b0cd5d4f8202e6766c1e1
PDF
Publication page8dbc173b584f58c31a47f510124984088a917fa968b2e5e28df9119f89a0fda9
Manifest5787f1a2046122f47126840ab8c375f22e33fd773d1b4f509b9035e86f13e159

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
Signaturexg1+iTvYQI/sGRxc5UF9jjDPIyR8oXev10YXN21wg3mXyOzbyvilt+9pM1K4XkTeeXjsNUnQE8Ei+Halcws0BA==
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

2026-09-17T10:26:05.063054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070297
observed 8dbc173b584f58c31a47f51012498408...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:05.046224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070297/manifest.json
observed 5787f1a2046122f47126840ab8c375f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:05.028174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070297/publication.md
observed 80e91d32d07b06898e0ed7b3fe4bc608...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:05.011372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070297/publication.txt
observed 01e080f3cc9baaf25bcb0d35bc03a60d...
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.