OpenTechnical

OT-2026-000031027

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pulsed 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-2026-000031027) never changes.

Identity and time

Publication numberOT-2026-000031027 · never reused
Internal UUID01a0ae74-3fb7-7312-a45a-78f9fd6ae1c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031027
StatusPUBLIC

Content hashes

Canonical text28cc532312f2e72ace868e5668982b45fd6012c9978b8bc7537fecd1da66c666
Markdownd637e59f6062678165291b682b0649c00132ca09191df870b806aba10eb8fd7a
PDF
Publication page09d38311d598a1b7e543fb29a3571778c04c54c82d7172aa7bfdef496f4cc1e5
Manifest1b2451fd4cb08b24f956d910ffae3cfc6bc49e60a7ba22ebad49bcbdd8429770

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
SignatureZfGWefu17r6AXq0m464T32DZ3ZSloWymvsahXPHMwCH7CjKBXxVPClD4nmi8mwFRCwFjyvsoJKlwCcgeEC58DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:40:07.408863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031027
observed 09d38311d598a1b7e543fb29a3571778...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:07.386222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031027/manifest.json
observed 1b2451fd4cb08b24f956d910ffae3cfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:07.368710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031027/publication.md
observed d637e59f6062678165291b682b0649c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:07.348667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031027/publication.txt
observed 28cc532312f2e72ace868e5668982b45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:36.319621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031027
observed 09d38311d598a1b7e543fb29a3571778...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:36.303561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031027/manifest.json
observed 1b2451fd4cb08b24f956d910ffae3cfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:36.280374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031027/publication.md
observed d637e59f6062678165291b682b0649c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:36.263653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031027/publication.txt
observed 28cc532312f2e72ace868e5668982b45...
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.