OpenTechnical

OT-2026-000042951

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000042951) never changes.

Identity and time

Publication numberOT-2026-000042951 · never reused
Internal UUID01a0ae7a-c0d2-7f4c-87b9-7c0c3fed8f49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042951
StatusPUBLIC

Content hashes

Canonical text9d5f22db8d849b0ecc7d3ebd547b823524d785c9f347bb5fafb699b4fb077fce
Markdowncb99d6c538e840de791a38ecf22a92297c8b7fe19b07177e64764df199fdc651
PDF
Publication page5affe22beb2e34b96f4e62588378d433161688ae97787bbafa92b3b8f08f82c4
Manifest3ccadd3aec4c7345aa1f3f05191838a706782f37c43dd96a4254356f5083d12f

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
SignatureGJvjmoPAgVgYXQvsVTSOulU8ndu3+kZpWolBDExAXScuxzhsOsqx9Ewe9ESVn6OWRLJF4suhJ8ktaHCRNENAAg==
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

2026-09-17T11:15:29.239582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042951
observed 5affe22beb2e34b96f4e62588378d433...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:29.220584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042951/manifest.json
observed 3ccadd3aec4c7345aa1f3f05191838a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:29.201645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042951/publication.md
observed cb99d6c538e840de791a38ecf22a9229...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:29.182823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042951/publication.txt
observed 9d5f22db8d849b0ecc7d3ebd547b8235...
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.