OpenTechnical

OT-2026-000085615

Publication integrity record

Two cup vacuum gripper, two zone face, three stage ejector, 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-2026-000085615) never changes.

Identity and time

Publication numberOT-2026-000085615 · never reused
Internal UUID01a0ae99-aaad-7821-9677-7f57c364b028 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085615
StatusPUBLIC

Content hashes

Canonical textf69add0e6fe3f290b2648b0a662ddce0aca1d1fcd87549bb5ab219e18a83382e
Markdown63fb644781c44401d121b18791c04d77cd0d7ed55e8f58b9166ef2436a18b571
PDF
Publication page3a125fde18b43afc0ba7b28572ace3af542b25b93614dbbc54e00b1c39b792bb
Manifest36bc13da8a354daa5da9f750aa8226fc569065ae58d599262a2509d232d59223

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
SignatureX4VfM1YLRAYH2hJIm49XYe1jpml+fPt11ifJhOQ2U4W4KN00GYkm0tHUM/8Gfd6TBmpzrC7j+5YSq+cK0TB4Bg==
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

2026-09-17T09:54:29.697794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085615
observed 3a125fde18b43afc0ba7b28572ace3af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:29.678824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085615/manifest.json
observed 36bc13da8a354daa5da9f750aa8226fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:29.660278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085615/publication.md
observed 63fb644781c44401d121b18791c04d77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:29.641053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085615/publication.txt
observed f69add0e6fe3f290b2648b0a662ddce0...
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.