OpenTechnical

OT-2026-000085921

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, 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-2026-000085921) never changes.

Identity and time

Publication numberOT-2026-000085921 · never reused
Internal UUID01a0ae99-e82a-7a41-b893-40674cbeab21 · 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-2026-000085921
StatusPUBLIC

Content hashes

Canonical text1dd693ab3d027ddcdd73550483009ba116b666955e267ba12e57d4c202fdb982
Markdown228cd03729bd8e9d68b63be66f28c13a02aa111a345e69a67b87178ce41286f8
PDF
Publication page59ed5143538f5bd21ba08cdfba9da0990e559a7dfbe1bde42c5d28c588e4d740
Manifest4e1ea35beed9e8a06d7e1a0b251f4a6ca0217a56a7c48f7415b441d103c29b50

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
SignatureXIUoPFKVkG6CgfwyeXj6EHWXBGzzvDWz3URRI7ipD0nzSsLt3l0gBNYpw+3MNsxBiNzyxZtcaqorN+xsfeA0DA==
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

2026-09-17T09:52:52.186471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085921
observed 59ed5143538f5bd21ba08cdfba9da099...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:52.169430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085921/manifest.json
observed 4e1ea35beed9e8a06d7e1a0b251f4a6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:52.152577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085921/publication.md
observed 228cd03729bd8e9d68b63be66f28c13a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:52.134952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085921/publication.txt
observed 1dd693ab3d027ddcdd73550483009ba1...
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.