OpenTechnical

OT-2026-000056037

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, vented before 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-2026-000056037) never changes.

Identity and time

Publication numberOT-2026-000056037 · never reused
Internal UUID01a0ae87-0a4b-7e54-bdf4-5bddf2aea59b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056037
StatusPUBLIC

Content hashes

Canonical textdb96b52bbc0cbf64f91e487afa9a6d28b457ee0b3e8b0a12144fcf16b05f8d82
Markdown78c1771db08eeeb9b55a11aca8dd5663809ccb923d67c37123d287af88b855bf
PDF
Publication pagedd70d79b2c01652c9ea2cb54364c64f50d6e14e312c6fe9e6b54075abbbcfeb4
Manifeste87cfbf9c469b37a04e55201ece2f8a1d57955e56aaa371dd117c71ae13b539c

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
SignatureeqCDPbZMwTiYs5soMKEg1+KQ3IkkXn0AnvyWcpTWbdEXkR9JkKwV/kpLf3+4Q0iSKs683tPWecKXeaAX+Ea6BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:34.054195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056037
observed dd70d79b2c01652c9ea2cb54364c64f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:34.035517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056037/manifest.json
observed e87cfbf9c469b37a04e55201ece2f8a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:34.014555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056037/publication.md
observed 78c1771db08eeeb9b55a11aca8dd5663...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:33.995083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056037/publication.txt
observed db96b52bbc0cbf64f91e487afa9a6d28...
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.