OpenTechnical

OT-2026-000063654

Publication integrity record

Three pad foam vacuum gripper, three 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-2026-000063654) never changes.

Identity and time

Publication numberOT-2026-000063654 · never reused
Internal UUID01a0ae8c-f946-74b2-88a4-850b8c0ada20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063654
StatusPUBLIC

Content hashes

Canonical text2ee24e9a11120b924548796cd771ded66f39b7b261f042aa91429e3bc6218570
Markdown677b8975eda02f39242ba3c4d0d644b2fbb5fe80d88d5836c5c92bad32c5d6ba
PDF
Publication page1a3edcff0bfe4e9a34bc7b8d7371b3d6b0f85f23853113c80c171b9dbb59d9aa
Manifest606ee881087f0b4168c103dc71b9c1354f7a3277a942a243b3a80e974ae3bbc7

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
SignaturesS9hz8Glp4d/N4Hv/PgmTMhRiNuZu7mms/gk6AbmlC9jg+Iq14z9SoYuLu/guYgY/HqA89Yp1NaOZLycYJCrBg==
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

2026-09-17T10:37:45.722818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063654
observed 1a3edcff0bfe4e9a34bc7b8d7371b3d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:45.690129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063654/manifest.json
observed 606ee881087f0b4168c103dc71b9c135...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:45.672524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063654/publication.md
observed 677b8975eda02f39242ba3c4d0d644b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:45.638730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063654/publication.txt
observed 2ee24e9a11120b924548796cd771ded6...
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.