OpenTechnical

OT-2026-000039301

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000039301) never changes.

Identity and time

Publication numberOT-2026-000039301 · never reused
Internal UUID01a0ae78-9674-7ab6-b623-435ffdf7858f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039301
StatusPUBLIC

Content hashes

Canonical text5ae815a80b76584e6d7655e2a66074134fce4b9429d063d3e58a81030ad3c9ea
Markdown262e034e2bceda56dbb00e38c2c5a4463264c01ff68c074b98764b2021bccf53
PDF
Publication pagec2d5d5a2c7e531b21839b5eaca1720e978c5db826c920041ef3d0e4bc9eeba13
Manifestdf4f62d086ca6a56c7839b80853e717c771c2c3c629e36e7baff94fec05d25fb

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
SignatureObaTDXr5hUK291qla96RcvyAxacNr6bBQ0c/6co/cjCJ3O+YKqrrK39eDmDIPc87iWh3njNONNkCXvsJlW9CAg==
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

2026-09-17T11:20:53.106083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039301
observed c2d5d5a2c7e531b21839b5eaca1720e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:53.087989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039301/manifest.json
observed df4f62d086ca6a56c7839b80853e717c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:53.069042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039301/publication.md
observed 262e034e2bceda56dbb00e38c2c5a446...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:53.051575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039301/publication.txt
observed 5ae815a80b76584e6d7655e2a6607413...
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.