OpenTechnical

OT-2026-000019037

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000019037) never changes.

Identity and time

Publication numberOT-2026-000019037 · never reused
Internal UUID01a0ae6e-d523-7acf-bf9e-b08f63d3a31d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019037
StatusPUBLIC

Content hashes

Canonical text01a45d69d096848ee93fcb1c495bad6c60fe6875a996161b638ee8c270783be8
Markdown73b365c67bb7091deadea808894f38efd41246bb00a364acb6b46b01ae885a99
PDF
Publication pagea9e0879653f3c0956d7e9245dd3b333e0e6e395f47fd7fe093b6d1119fc029eb
Manifest2fc555d8ba174199c9454fbf705784d60a4f172f39fe399d4893105ae34eeb15

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
Signature9TCGatZ9y33W1r31Kd3mRcJsL1/JAFSiKGg3X5lpFPRCa/OBrJdwOGuBlHVYyvCl8W7iSSngeeE3N5E+cLjeAA==
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

2026-09-17T11:59:43.696028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019037
observed a9e0879653f3c0956d7e9245dd3b333e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:43.678896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019037/manifest.json
observed 2fc555d8ba174199c9454fbf705784d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:43.661981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019037/publication.md
observed 73b365c67bb7091deadea808894f38ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:43.644830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019037/publication.txt
observed 01a45d69d096848ee93fcb1c495bad6c...
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.