OpenTechnical

OT-2026-000036474

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000036474) never changes.

Identity and time

Publication numberOT-2026-000036474 · never reused
Internal UUID01a0ae77-01d1-779e-8e17-93f7429c9ed4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036474
StatusPUBLIC

Content hashes

Canonical text4bb8f2ba3f2c5a3425750dcea74fc14cbdc67c1253c2d862aa6b8b9dce3fe145
Markdown724fbac63314f0c2b55f756250260235df49e6cc2d202413906bd884f608e857
PDF
Publication page8872b908316428668259ea3d469a6e421d79943fc0f6e56344b8455605391931
Manifestdd82c82cc122311fb040ab13c44e79d682ce0477874bbf1039400bdc0fe6d37c

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
SignatureyLz0n/u3p4BytTCXqs+98nx55PRiIeB7fXIBjbTbrv4HcyxH+/vAWKEu7bz+3mXjRp9mhG4C3NIVKXWTUldICw==
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

2026-09-17T11:26:52.689341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036474
observed 8872b908316428668259ea3d469a6e42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:52.669687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036474/manifest.json
observed dd82c82cc122311fb040ab13c44e79d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:52.652846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036474/publication.md
observed 724fbac63314f0c2b55f756250260235...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:52.634941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036474/publication.txt
observed 4bb8f2ba3f2c5a3425750dcea74fc14c...
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.