OpenTechnical

OT-2026-000056134

Publication integrity record

Foam pad vacuum gripper, 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-2026-000056134) never changes.

Identity and time

Publication numberOT-2026-000056134 · never reused
Internal UUID01a0ae87-0a4b-7342-a79e-f560eee2e9db · 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-2026-000056134
StatusPUBLIC

Content hashes

Canonical textda095816910cfbd5b1c6d74e36a11c923b48f8e4082e22dd024821ac90fd6744
Markdown23f2cfe961deff2cb1dd7af8dee4eb50485e01fe83d793a5f52db48a51eae5e6
PDF
Publication paged434703201f395ee356f7870c7bdd51ab7bf0de9a4187976dc4f11551079155c
Manifest307c4b2b60d458a0a52bd8670852d39dc00363abdb40ddfe35a319f9d8024ddc

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
SignatureNNMkN+TqNO0HrK2SOrEuVztJcfO1b+HyPvn6M5ZpXhjEGNgShsLSsEzS5fXwd6y1MpBvlO4kkD0D+62OxrkqAw==
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

2026-09-17T10:51:40.972404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056134
observed d434703201f395ee356f7870c7bdd51a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:40.953342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056134/manifest.json
observed 307c4b2b60d458a0a52bd8670852d39d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:40.936464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056134/publication.md
observed 23f2cfe961deff2cb1dd7af8dee4eb50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:40.919932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056134/publication.txt
observed da095816910cfbd5b1c6d74e36a11c92...
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.