OpenTechnical

OT-2026-000034916

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000034916) never changes.

Identity and time

Publication numberOT-2026-000034916 · never reused
Internal UUID01a0ae76-1ed3-7b87-a19e-8f6de3abe82c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034916
StatusPUBLIC

Content hashes

Canonical text8fd9c743effc5a343c802c74952595fa9f72986d88a799025e763197b3ccf208
Markdowna4419781aca86e63cf47d4b9122ce5e2b656acf93985a6850a214a883250778a
PDF
Publication page9db8c248f7d46a01a8820ffe2490b503c83ddd7639c21bd49809ed73e6e433fa
Manifest008e3cb9f565b2a7b2d704c7b98d1d8d4a7d32c7487fd75dad65bfaf1c8834cb

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
Signature3TF0dPVJ8kqjQVTTPQbH7Vv14ElTNjn3x/XidmQt5VRTMzVtabm7jEL13jomaMZbSdx3CWNXUvnYc91PEjfhCg==
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

2026-09-17T11:30:42.036652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034916
observed 9db8c248f7d46a01a8820ffe2490b503...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.019171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034916/manifest.json
observed 008e3cb9f565b2a7b2d704c7b98d1d8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:41.999896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034916/publication.md
observed a4419781aca86e63cf47d4b9122ce5e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:41.975180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034916/publication.txt
observed 8fd9c743effc5a343c802c74952595fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:56.725201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034916
observed 9db8c248f7d46a01a8820ffe2490b503...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:55.761637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034916/manifest.json
observed 008e3cb9f565b2a7b2d704c7b98d1d8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:55.743688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034916/publication.md
observed a4419781aca86e63cf47d4b9122ce5e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:55.724936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034916/publication.txt
observed 8fd9c743effc5a343c802c74952595fa...
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.