OpenTechnical

OT-2026-000022754

Publication integrity record

Foam pad vacuum gripper, pump fed, 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-2026-000022754) never changes.

Identity and time

Publication numberOT-2026-000022754 · never reused
Internal UUID01a0ae70-46ea-7a1e-ae98-1888c954aad9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022754
StatusPUBLIC

Content hashes

Canonical text88c4565d3db9e996eccc93de221714254781ce75eda83b2dcfa1efc76d9f323a
Markdown918ccb77f19c1b557395a760e5c85371ffb13316710af7e60c3b8e856ee0bcbe
PDF
Publication page3e24a0936f829ea09abe668464264e0671bb36c9722d3e2ccf491af763ad42a9
Manifestf554534227ddc5c372a9731004a22d1fc5041f2df9b1ae476b5cc3b8087398c7

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
SignatureLbL/UqZXN1eKl8c/CIdzLmWzx4NEtu1onPM2BYZUIey/xtwC/xVP+ygrsZCJkKv9Z4gUR/60tbcKR0ogiIfRAg==
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

2026-09-17T11:52:15.897591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022754
observed 3e24a0936f829ea09abe668464264e06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:15.879564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022754/manifest.json
observed f554534227ddc5c372a9731004a22d1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:15.860600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022754/publication.md
observed 918ccb77f19c1b557395a760e5c85371...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:15.840020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022754/publication.txt
observed 88c4565d3db9e996eccc93de22171425...
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.