OpenTechnical

OT-2026-000042338

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, sustained blow-off after 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-2026-000042338) never changes.

Identity and time

Publication numberOT-2026-000042338 · never reused
Internal UUID01a0ae7a-5d74-7e38-b518-1faf447775d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042338
StatusPUBLIC

Content hashes

Canonical text77923f76a70e7dfc233fb468680d15730fa787ea00c01c342ecc1d5b1af641ed
Markdownebc1947a2139b8e2fa32f677972c13f47837de464f68db9e138c4f6ce9bf9140
PDF
Publication page6bcd20acd9a0c4f08d11cfa31b062831584ec2834a8619651c1d57f56aa02c8f
Manifest857a6b27d01310d3f5b75e71d78e40c4d0838c9ed64f8831072532db1169cd34

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
SignatureBVBZL9B5s1CN3U50U9SRhViBH+XO0pwucIfJqCsO3kaf4z2ryhJ3QRNuucFww53er6nI1yW8sIVttJ7G/bl2CA==
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

2026-09-17T11:16:02.739582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042338
observed 6bcd20acd9a0c4f08d11cfa31b062831...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:02.720372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042338/manifest.json
observed 857a6b27d01310d3f5b75e71d78e40c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:02.702587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042338/publication.md
observed ebc1947a2139b8e2fa32f677972c13f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:02.685791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042338/publication.txt
observed 77923f76a70e7dfc233fb468680d1573...
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.