OpenTechnical

OT-2026-000058290

Publication integrity record

Foam pad vacuum gripper, pump fed, 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-2026-000058290) never changes.

Identity and time

Publication numberOT-2026-000058290 · never reused
Internal UUID01a0ae88-f398-7e00-91b5-c65348f92c26 · 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-2026-000058290
StatusPUBLIC

Content hashes

Canonical text493f27318958bbd51fcdb9a3decf53a2de6a1604d7ddcdfa0048d460d5132c80
Markdownb4cff924e68879b65c673cabd6d0e2ee59f22ac6e66381e24b2df95a0d575269
PDF
Publication page5819dad4ecab82f03e28fa2c350641324d07ff2752aaac75d21a04fdb1af36e0
Manifestc1b096805cfacfa4c250472c7b5e6d49cc542b6b87ef67361d5235006fe4a553

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
SignaturePKFoiezcETWsBj8x9ObTTPT+WFEECY2u45bF1vigHQQGDqA5mi+yM+6EjlcP5wnrS7XTDGibDuJJcJXqWezpBQ==
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

2026-09-17T10:46:41.009330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058290
observed 5819dad4ecab82f03e28fa2c35064132...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:40.990110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058290/manifest.json
observed c1b096805cfacfa4c250472c7b5e6d49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:40.972153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058290/publication.md
observed b4cff924e68879b65c673cabd6d0e2ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:40.953550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058290/publication.txt
observed 493f27318958bbd51fcdb9a3decf53a2...
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.