OpenTechnical

OT-2026-000025636

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000025636) never changes.

Identity and time

Publication numberOT-2026-000025636 · never reused
Internal UUID01a0ae71-9bc9-7ce0-8578-96f0633efe9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025636
StatusPUBLIC

Content hashes

Canonical text79e61f09369bcd76eee37d115926205f45965808fca1b884644cd09e86d958f6
Markdownd325146afc206120dd19f14f41083d98da07015ad26134280d4174fba23d3013
PDF
Publication pagebb5b690450863488cbd04b688663030f8f3cacd06521705d93d5e9b50fbdab38
Manifest58dca562c8a48e922e3fd21804982715aa89a281c018bb68da3af620b3ae7a53

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
SignatureCsDF0+TcYh80ZS+03AYMay0etGfdFKuTM90zaERkzW9B/Qjn0Pu+wK+CIj+jimu8Jh7DhPUV+yJtfSODc1nNDw==
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

2026-09-17T11:46:50.028634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025636
observed bb5b690450863488cbd04b688663030f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:50.010983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025636/manifest.json
observed 58dca562c8a48e922e3fd21804982715...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:49.993471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025636/publication.md
observed d325146afc206120dd19f14f41083d98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:49.975727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025636/publication.txt
observed 79e61f09369bcd76eee37d115926205f...
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.