OpenTechnical

OT-2026-000091498

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, 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-2026-000091498) never changes.

Identity and time

Publication numberOT-2026-000091498 · never reused
Internal UUID01a0ae9c-f16d-7374-a28e-0e0b902eaa02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091498
StatusPUBLIC

Content hashes

Canonical text034d3927c7c51ebf0b7fe2876e00ff4aef65c4351128beb125f525016a648f85
Markdown964953ba53f1043ccc1b4360f26f5ea267cc9e8af22da432949ebeef437097e3
PDF
Publication page57ca8fbb1a7d98744dee7e2f050933d53d8962f3cf7719a0f209def59fc00cc8
Manifest289a63e7b40045d3bdfc2a120a8a12f2dc664bad426d207734a8a069faf8c112

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
SignatureCg63p8JLRQkk579Egva47TXDxFA0pmDmrmOP4hjKH+6qiy0Irtq11OOzhv14q7zcvJcK0fIMajncr5swu5DnBw==
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

2026-09-17T09:43:45.562458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091498
observed 57ca8fbb1a7d98744dee7e2f050933d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:45.546793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091498/manifest.json
observed 289a63e7b40045d3bdfc2a120a8a12f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:45.530332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091498/publication.md
observed 964953ba53f1043ccc1b4360f26f5ea2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:45.513551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091498/publication.txt
observed 034d3927c7c51ebf0b7fe2876e00ff4a...
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.