OpenTechnical

OT-2026-000091657

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, sustained blow-off before set-down

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-2026-000091657) never changes.

Identity and time

Publication numberOT-2026-000091657 · never reused
Internal UUID01a0ae9d-43b8-7ca5-82f9-f0d2bd7c90c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091657
StatusPUBLIC

Content hashes

Canonical textcb0820c90bba5f36cd799fbb0632f0f15e521ac5ec12a4ffe89e03bdc8502a77
Markdown5a44ce170064c29f71ad02f81359af43baccbb49c034e046c008498e973c6d72
PDF
Publication page947dfcd1c1118757102fc562bad7917526b69970e1616d8ea7bfec32ec465e56
Manifest347829206ede3c34c5f0d17610dcb21b66b48b9ed63ffcc8162b7b14da96f25b

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
Signature4fuvt/JeZTMlVG2m6PuNIX2AmzUV1Q3eEI6sRGM0N9/GlCDVpx/jZlnprTfUALt/XkfFywPBNO3v0WWwD7gTBQ==
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

2026-09-17T09:42:01.914104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091657
observed 947dfcd1c1118757102fc562bad79175...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:01.896882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091657/manifest.json
observed 347829206ede3c34c5f0d17610dcb21b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:01.879544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091657/publication.md
observed 5a44ce170064c29f71ad02f81359af43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:01.861970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091657/publication.txt
observed cb0820c90bba5f36cd799fbb0632f0f1...
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.