OpenTechnical

OT-2026-000046816

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000046816) never changes.

Identity and time

Publication numberOT-2026-000046816 · never reused
Internal UUID01a0ae7e-d0f4-7b87-b9f6-596d05ed9903 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046816
StatusPUBLIC

Content hashes

Canonical textfc1811e0c5dd08d483e665d2af8477bc417f35c07ac5c6fb39349c1a6e67ce95
Markdownaa8c7c004ce8883e02a1e43b92f559ee6d97c618f0ea4d1546346b53eaf40b8e
PDF
Publication page21868866428be093687113d4bc4414645f697f6a69e6a856a65d0c4e1e653906
Manifest868e7ded77bac59e44d5f51e8f6c8b10f6de249259d89c69be8b3d25614a9074

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
SignatureDjWWL18HvnD5sbqUawAueSug5ttWo16uh+jF2bHdlvTHzcBIBrTAWieWZXJ/ZVydlP9dwLjev8wrbMiqTxOHDg==
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

2026-09-17T11:06:54.444097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046816
observed 21868866428be093687113d4bc441464...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:54.424708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046816/manifest.json
observed 868e7ded77bac59e44d5f51e8f6c8b10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:54.407728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046816/publication.md
observed aa8c7c004ce8883e02a1e43b92f559ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:54.388729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046816/publication.txt
observed fc1811e0c5dd08d483e665d2af8477bc...
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.