OpenTechnical

OT-2026-000063854

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000063854) never changes.

Identity and time

Publication numberOT-2026-000063854 · never reused
Internal UUID01a0ae8d-53b7-7c2e-9b71-130db46683be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063854
StatusPUBLIC

Content hashes

Canonical textd1c27cf5909e9154c716dde334b6c572be0a7796653cc5e556f744d7ca7fa73c
Markdown83d2c4f8d12f0e669f760d72720e7dc88a17cb275322e256f9db2c4f8c40131f
PDF
Publication page734bdbab91bc5aba476044d8e5279aee75e2a1fa98b1458556f4e1eabcac0965
Manifestd6e28616a017b307a13c0c5d2bcc86aa669f73e4a591f9b3004a900e1b29dbb0

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
SignatureoOJVtt7QEfjbIxI2w3QTTSam2QU7ajpWu/G9bu/RMM+Y+j2RYB4VG2X94tekpMUpG1xrSfzzlROdmWRSD9vjCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:36:53.160851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063854
observed 734bdbab91bc5aba476044d8e5279aee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:53.141977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063854/manifest.json
observed d6e28616a017b307a13c0c5d2bcc86aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:53.122861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063854/publication.md
observed 83d2c4f8d12f0e669f760d72720e7dc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:53.102356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063854/publication.txt
observed d1c27cf5909e9154c716dde334b6c572...
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.