OpenTechnical

OT-2026-000057435

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000057435) never changes.

Identity and time

Publication numberOT-2026-000057435 · never reused
Internal UUID01a0ae87-d5c7-7350-afcb-b5d86454c77d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057435
StatusPUBLIC

Content hashes

Canonical textfa2457d3d42b83445f3c9e39d9e433cb9019cda3617bf4224bad1aac8517a7d8
Markdown026d1da186e7f46ea3e262aef463638aecdd7ccc30a907529f813f0f60de6f90
PDF
Publication pagecbec4c6c6637a9d1ef4615a9b733cb092f96d4f9c2209fe63a4847af18e83e7f
Manifestef1f57d06af5d7b0dbd576d55e015673507ab039b918daf0cf0069539d0e7050

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
Signature19VV1JDK8cwI2dIYlieNo+6VjpA/zE/CTBfBZWJZJuZ6kt+8AxQQz2U0qa34eaj+yXe8n8CYCux1IRrR58D+CQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:43.757348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057435
observed cbec4c6c6637a9d1ef4615a9b733cb09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:43.740046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057435/manifest.json
observed ef1f57d06af5d7b0dbd576d55e015673...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:43.721505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057435/publication.md
observed 026d1da186e7f46ea3e262aef463638a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:43.703192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057435/publication.txt
observed fa2457d3d42b83445f3c9e39d9e433cb...
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.