OpenTechnical

OT-2026-000085870

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single 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-2026-000085870) never changes.

Identity and time

Publication numberOT-2026-000085870 · never reused
Internal UUID01a0ae99-e829-7861-bda3-2fa4e329f1e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085870
StatusPUBLIC

Content hashes

Canonical text7f10edd532a3b8b76efffa82e945331db53dd3f97ebcd9d2d2476f18d6ce36fa
Markdownd7590097e71ac218e092f6e82e797ddd487494a9c86e99fe24526df2aa62f3bf
PDF
Publication pagee863d81c9f11fe4a918aebb5e7c7f0019694a0edb2a607c7b0cecdd21a88a18d
Manifest9989558287550723511fd5de852608d10a5db30dcc5f695ec254b514b60ad0cd

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
SignatureUOAOtZr+CsfprnU9Rc+R/KHsv86DjfAiP0BMu/ppQYoyZtkqH5aGjgSXkfmczefvV0dPzsNnk9zSPJDpga44Ag==
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

2026-09-17T09:52:48.239214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085870
observed e863d81c9f11fe4a918aebb5e7c7f001...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:48.220958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085870/manifest.json
observed 9989558287550723511fd5de852608d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:48.203497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085870/publication.md
observed d7590097e71ac218e092f6e82e797ddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:48.181369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085870/publication.txt
observed 7f10edd532a3b8b76efffa82e945331d...
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.