OpenTechnical

OT-2026-000095881

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000095881) never changes.

Identity and time

Publication numberOT-2026-000095881 · never reused
Internal UUID01a0ae9f-fac7-726f-bae2-79dd4d104560 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095881
StatusPUBLIC

Content hashes

Canonical textda6e2de8369734e6f01ea6a2c490456f2abada00bf23512a2d1d7cdab8778e29
Markdownbd219f67363b9ffc7d62136f96d3cf19ff08e95f822c3940a54a6796754b1b2a
PDF
Publication page0f8f391d9c37cf0a5a6b7b05997b17c1e1af2ade1cc761037d6a65bf5121cb8f
Manifest7d6dadc3cd9ec7523821b61179e1f359e575e4060e67a63835f38ce4a2abc7a8

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
SignaturebpKNpzSGzJHuKQcN5YOHSaggMA0jqVzje5ywFVErLXyn/D/F+PKhFX9jY9+f37uabBKEgIsZkPMHDwMqIGisBA==
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

2026-09-17T09:35:58.286922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095881
observed 0f8f391d9c37cf0a5a6b7b05997b17c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:58.268372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095881/manifest.json
observed 7d6dadc3cd9ec7523821b61179e1f359...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:58.247911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095881/publication.md
observed bd219f67363b9ffc7d62136f96d3cf19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:58.228104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095881/publication.txt
observed da6e2de8369734e6f01ea6a2c490456f...
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.