OpenTechnical

OT-2026-000058254

Publication integrity record

Foam pad vacuum gripper, three stage ejector, supply line pressure sensor, vented 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-2026-000058254) never changes.

Identity and time

Publication numberOT-2026-000058254 · never reused
Internal UUID01a0ae88-f397-72c8-be69-601dc95f6d4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058254
StatusPUBLIC

Content hashes

Canonical textca4258993356e2252edcf87a2096fa77e6754093cb24a298513a2dfe1894ecaa
Markdown7741fa8f5c1fbd904d4c0cc9e48aea71b330d9b69f527d03f15dadc7fefbd4d4
PDF
Publication page36ad55ec4cf51f2c773255914fba6fac03fbf410ca07539789d9bc7d091d2fa8
Manifest1e4c3cd62c087bb53f1b24973d3e7cfccf167b6f77b87fcf10a59c313c8ced4b

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
SignaturegZ0mbDpOMeMxamnWOV2e1iX+7eQjI1olNZBkmmRm39GM29PzTNGf1jRQ6GXlw6bpGwzcpV1Gyeu+0PChjRRtAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:38.170803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058254
observed 36ad55ec4cf51f2c773255914fba6fac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:38.153241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058254/manifest.json
observed 1e4c3cd62c087bb53f1b24973d3e7cfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:38.136002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058254/publication.md
observed 7741fa8f5c1fbd904d4c0cc9e48aea71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:38.118376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058254/publication.txt
observed ca4258993356e2252edcf87a2096fa77...
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.