OpenTechnical

OT-2026-000026043

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pulsed 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-2026-000026043) never changes.

Identity and time

Publication numberOT-2026-000026043 · never reused
Internal UUID01a0ae71-a840-7e93-88df-a7fc0efe23b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026043
StatusPUBLIC

Content hashes

Canonical text89b765947a8305e2c1b28d4af91a4031b6073f739e4e47da1a9fb67724f6c701
Markdown08c2bfbcc1ee52848675a095fa7ccae4b22bfcdd1cc6f511fc72f147f93b24b1
PDF
Publication page9c14be43ce59bd67ef713ff84cf49495907d2fba3defe8d003d2f5d679534b5e
Manifest95ed28314dba01f854bf3d5797f5e892f1f725b09d161f429eaae6725c4e4478

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
SignatureRZn2RN/E90V5PvhDMfYAqOWN3jYRtuMMpJIO+V/LKY5fiMDXLHUIElAV2kUCbJRJwTteiIY3DAHvhPRYtPRFAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:46:31.568121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026043
observed 9c14be43ce59bd67ef713ff84cf49495...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:31.549433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026043/manifest.json
observed 95ed28314dba01f854bf3d5797f5e892...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:31.529634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026043/publication.md
observed 08c2bfbcc1ee52848675a095fa7ccae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:31.512539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026043/publication.txt
observed 89b765947a8305e2c1b28d4af91a4031...
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.