OpenTechnical

OT-2026-000062393

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000062393) never changes.

Identity and time

Publication numberOT-2026-000062393 · never reused
Internal UUID01a0ae8c-0abf-71f0-aadd-6627f6c762c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062393
StatusPUBLIC

Content hashes

Canonical text34115d1caeb3d3f5702995982d401aa7bf279728f99962cc150cc25c7066d214
Markdown8b831b6af97fb28b538541450f44a57b77cc7fb527de86d2d7c85add6110a472
PDF
Publication page0e8e147a63222dbac95cdcfb92fe504cc2b74dd9fd19dc8757e2a567f3db4624
Manifest925e97ddb5add4094b8ec9687e56870f85a596f59f7e900dc807e634856d7888

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
Signature52ZMU1emQlHSWHG/RDp5PwMpAAJjP2ig+Jn6i9n1HhC8RPWYjmZVbOkkhr+jXAENPYn3WdS2hM+9Ph7qbEESCA==
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

2026-09-17T10:39:43.053877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062393
observed 0e8e147a63222dbac95cdcfb92fe504c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:43.034493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062393/manifest.json
observed 925e97ddb5add4094b8ec9687e56870f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:43.014966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062393/publication.md
observed 8b831b6af97fb28b538541450f44a57b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:42.997431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062393/publication.txt
observed 34115d1caeb3d3f5702995982d401aa7...
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.