OpenTechnical

OT-2026-000062147

Publication integrity record

Four cup vacuum gripper, four 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-2026-000062147) never changes.

Identity and time

Publication numberOT-2026-000062147 · never reused
Internal UUID01a0ae8b-b8b1-7195-8c5a-e2c29620778b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062147
StatusPUBLIC

Content hashes

Canonical text21ad853085a8a0443bc85acd1f07b1be51135b19fab0d72d7d76143700b982a2
Markdownd84bf553e75f9bf72cdca2a1124e9d18bf9a291a935efd2f8f8876da831ba834
PDF
Publication page499a8cf63f788f577c2c3c3b67ad9b597c79d847e3d3989e2a12570e39ffbb14
Manifeste4e9dc124c856d5e6ea6a16d8f2245656a9ce55b27796fe1ce93c61b5b2238a1

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
Signature1C8JvTXBL2haoa48Bd2QZ1OgcKLNZ98tPXKtXM/UYENI6a++OvJWDkvYFHhPkx/pJQDpy+pV0u2+3VBFsBuGDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:13.021042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062147
observed 499a8cf63f788f577c2c3c3b67ad9b59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:13.000088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062147/manifest.json
observed e4e9dc124c856d5e6ea6a16d8f224565...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:12.980115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062147/publication.md
observed d84bf553e75f9bf72cdca2a1124e9d18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:12.960890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062147/publication.txt
observed 21ad853085a8a0443bc85acd1f07b1be...
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.