OpenTechnical

OT-2026-000034828

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000034828) never changes.

Identity and time

Publication numberOT-2026-000034828 · never reused
Internal UUID01a0ae76-1ed3-74b8-a1c4-f6551768ebfb · 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-2026-000034828
StatusPUBLIC

Content hashes

Canonical text38e81d3f790965eafd97d1b8393f7dadae59ecbfd1197d12d195eea28379b06c
Markdowne26377fed52cfaa23822a127e671b32dc140e9b7632501c369cc365ed33adf9e
PDF
Publication page38498d438bb81ea802dccd563e12df6959ccf7f71fdc7d791c43f52808b2b6fb
Manifesteb3a12f7fd0ae0a2a759038374c7ca4ad43734c5894812eed47279130d3d8df8

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
SignaturetZXCtYa2MlQph+rQoIT7ZK5BfUYGj+eiHqun06GgaN7Ons9I775iY6Cef/ua8y/FIXBnRdeP115gischG6NjAg==
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

2026-09-17T11:30:27.806117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034828
observed 38498d438bb81ea802dccd563e12df69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:27.778717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034828/manifest.json
observed eb3a12f7fd0ae0a2a759038374c7ca4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:27.752475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034828/publication.md
observed e26377fed52cfaa23822a127e671b32d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:27.716548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034828/publication.txt
observed 38e81d3f790965eafd97d1b8393f7dad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:48.943416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034828
observed 38498d438bb81ea802dccd563e12df69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:48.923404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034828/manifest.json
observed eb3a12f7fd0ae0a2a759038374c7ca4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:48.892507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034828/publication.md
observed e26377fed52cfaa23822a127e671b32d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:48.872528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034828/publication.txt
observed 38e81d3f790965eafd97d1b8393f7dad...
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.