OpenTechnical

OT-2026-000094621

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, manifold 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-2026-000094621) never changes.

Identity and time

Publication numberOT-2026-000094621 · never reused
Internal UUID01a0ae9f-2deb-761f-9f1d-f1f5b3fff440 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094621
StatusPUBLIC

Content hashes

Canonical texta8c96401f2204874b3f24378f8998ebdc8e27277b5f81f56b9e99b3a4421b9b2
Markdown30a7b70a03d9b68890f77af231e6c68bd33990a1e1da862bd8c20a27e166234e
PDF
Publication pagecfa9e0922650e09fa6021048224aae278683d60d64cd62c97cd0443f28d9de78
Manifest699666a5f20b35592df842893731d502746c7b5f28f7f2c5d4e8e6b9db2856c4

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
Signaturerx3cWbeBFrIcvKsv4uYiKHRGTOGI+9T9thb+/yaP+mLo6DqD1QgWBQVfaclE2nHqWc7L69X3dgiXaa8pBuazBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:37:03.550802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094621
observed cfa9e0922650e09fa6021048224aae27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:03.534623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094621/manifest.json
observed 699666a5f20b35592df842893731d502...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:03.518541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094621/publication.md
observed 30a7b70a03d9b68890f77af231e6c68b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:03.503282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094621/publication.txt
observed a8c96401f2204874b3f24378f8998ebd...
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.