OpenTechnical

OT-2026-000065178

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000065178) never changes.

Identity and time

Publication numberOT-2026-000065178 · never reused
Internal UUID01a0ae8e-1df9-77e2-aec2-d2353aea2ca8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065178
StatusPUBLIC

Content hashes

Canonical texta25eadafc545e64740955483d07ee977cc6f0e136a3842320e9d35feb4b5c0e6
Markdown40bd8acacfad2fa8097b50039c900e8863255d0507de6ffb3612dbcd94f5dd44
PDF
Publication pageac193c70bd0374b42ec6c732651b7f11925969f26a6596c8e913be141ec21a76
Manifest4aa3f29bc15e73acc39b25d37027e7b67768359de9fae300ebd752d3e1dcb9a0

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
SignaturenZ98C6cRccMAigWL4xZ8jUAU+mTEEBBcG5Lepu4Urp/4tcNQcqn/CdNtMfJxMryxNCRPt7juQBKvyDIqLv6MDA==
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

2026-09-17T10:35:01.302267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065178
observed ac193c70bd0374b42ec6c732651b7f11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:01.285698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065178/manifest.json
observed 4aa3f29bc15e73acc39b25d37027e7b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:01.269543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065178/publication.md
observed 40bd8acacfad2fa8097b50039c900e88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:01.250764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065178/publication.txt
observed a25eadafc545e64740955483d07ee977...
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.