OpenTechnical

OT-2026-000067736

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, 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-2026-000067736) never changes.

Identity and time

Publication numberOT-2026-000067736 · never reused
Internal UUID01a0ae8f-c4f9-7c2c-974e-ef2b99206197 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067736
StatusPUBLIC

Content hashes

Canonical text11374d36a3d43b3eee8b57afd7956021e0ec5a5ff84aec4bfe9bd6229be05252
Markdown1563f039a146712f8bb1255855e2afc8b7fb89f09d5831b8a48d246f01ca2c04
PDF
Publication pageb5bd527e5f73fd64a9a7bb06250ccf7be159a6ae19600ac1ddb1442a44f978d0
Manifest3beaca52621108333a4c011d9ff7f37a9a7e03f96979fbf817c417e157e50b92

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
SignaturevytI6iGa5RsRgXRuSjL1EQKSWp3HRHteRBUFiW2YCQ/YkoWHPVlrEnc3Oa6ucPIkyudDIdGPxKe4xeKDnCfGAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:57.399352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067736
observed b5bd527e5f73fd64a9a7bb06250ccf7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:57.382763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067736/manifest.json
observed 3beaca52621108333a4c011d9ff7f37a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:57.361525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067736/publication.md
observed 1563f039a146712f8bb1255855e2afc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:57.248398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067736/publication.txt
observed 11374d36a3d43b3eee8b57afd7956021...
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.