OpenTechnical

OT-2026-000047874

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000047874) never changes.

Identity and time

Publication numberOT-2026-000047874 · never reused
Internal UUID01a0ae7f-c421-7243-a27e-3cd3e833b85f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047874
StatusPUBLIC

Content hashes

Canonical text82394c18b0236a1b8d5f48e7d32c04382a6b9900cac95fdbf5a7cb5e644748b5
Markdownefba8d589e9d8e81757b07e1a124b9b28bd9f76a5f93d1819aec55feb05f7039
PDF
Publication page5cfee39b4b33d3bd8b41ad8266383fcb52f49eb422262c02fbd71efaa3a2dd36
Manifest27145ddac455c9b483f04770e625289882a01bc44fce3f67a1ab13b8d3d0452c

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
Signatureco8YNJ0dwW+C7q7XqISaxA+9ZrLFDu7E0vxaxZLzxGwf8YWWaL21xP/jgfsBbFqummutWkc+J85GpAi1Kx5eDQ==
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

2026-09-17T11:05:48.185572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047874
observed 5cfee39b4b33d3bd8b41ad8266383fcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:48.167957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047874/manifest.json
observed 27145ddac455c9b483f04770e6252898...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:48.149091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047874/publication.md
observed efba8d589e9d8e81757b07e1a124b9b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:48.132182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047874/publication.txt
observed 82394c18b0236a1b8d5f48e7d32c0438...
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.