OpenTechnical

OT-2026-000058704

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, sustained blow-off after 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-2026-000058704) never changes.

Identity and time

Publication numberOT-2026-000058704 · never reused
Internal UUID01a0ae88-f39d-79b3-a7bd-ad632e19e7dc · 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-2026-000058704
StatusPUBLIC

Content hashes

Canonical text4520b0cd8145f016600111c8cb254668dd1d1d695fd7770e054312695dcb5707
Markdownfec7babf183609e5a206d0b97fd6a1b734ac40f615964ba6d2bae5a404a81303
PDF
Publication page5a6c621a8c3ea9b61e52c4f923db1353748ded609767b3e5e3a2388037624c97
Manifest4a18ea612ce33f81f974705ce24b36f1e08cba31b7c047ebde687daa297eeaa3

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
Signature7x9T6m5koDYcsYOlCsKRIBKYtue+1nb6cL8EnAt2rp/OZdy60etwKzD9ZlcMlYoh80O/TZEqNebRbyykfr2JAA==
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

2026-09-17T10:47:13.779088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058704
observed 5a6c621a8c3ea9b61e52c4f923db1353...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:13.763111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058704/manifest.json
observed 4a18ea612ce33f81f974705ce24b36f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:13.746121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058704/publication.md
observed fec7babf183609e5a206d0b97fd6a1b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:13.727917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058704/publication.txt
observed 4520b0cd8145f016600111c8cb254668...
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.