OpenTechnical

OT-2026-000023463

Publication integrity record

Foam pad vacuum gripper, two 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-2026-000023463) never changes.

Identity and time

Publication numberOT-2026-000023463 · never reused
Internal UUID01a0ae70-7269-7bcc-9d12-0e268d3630d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023463
StatusPUBLIC

Content hashes

Canonical text405249d3eb5582c233af37fe42f3c45fdc8e03be8f731626d169d433b529b86e
Markdownd1d6982a4649a7590c4d9f371c80fb09dd5c2fed19526489128398cd45ebfb9e
PDF
Publication page4cae5a0c3fe84b23077ba4328263a7236467aea5eb6b3d598d735881e0fb5b70
Manifestc5fc181d1c8e96590f9db08acb7808421c876c8114a55250f4b968d60ed6af8d

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
SignaturePX6rCe8HbuEOP1L/s01sNOHJaEt7cjHPxo2UAaz2WsEi9Utk69en9Vbr5XptBshvthopDCSciG+RtqxbtduuBg==
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

2026-09-17T11:51:41.033872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023463
observed 4cae5a0c3fe84b23077ba4328263a723...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:41.016850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023463/manifest.json
observed c5fc181d1c8e96590f9db08acb780842...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:40.998702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023463/publication.md
observed d1d6982a4649a7590c4d9f371c80fb09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:40.980717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023463/publication.txt
observed 405249d3eb5582c233af37fe42f3c45f...
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.