OpenTechnical

OT-2026-000043418

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, sustained blow-off 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-2026-000043418) never changes.

Identity and time

Publication numberOT-2026-000043418 · never reused
Internal UUID01a0ae7b-327e-761a-98ab-424c99e36941 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043418
StatusPUBLIC

Content hashes

Canonical text2e8c93342de6af4bddff080d75f3e357dd8750c0a538a3f5902f8624c12837b9
Markdown56f7ca9302c5d1ff17d83e3036dc58f65e7f45a7b7dda84ede5f51f8b82c310c
PDF
Publication page344f7d55243255967312a9f2d109d9f3f6c86a0993e6aad0a4159c8ec5fca39d
Manifest2d8d3217f6221dd0163237a84ac7a8fb3b26d2443fe8ff29b7fb026012078f28

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
SignatureKi0MmX0QGK9AvYT4Xklv7N0zM/fFLKv1Ssf69Td4x/8EmImDZG6aiV6T81HLgq9POyT1Y4k9pj+KxAEOMY6bBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:13:57.579031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043418
observed 344f7d55243255967312a9f2d109d9f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:57.560523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043418/manifest.json
observed 2d8d3217f6221dd0163237a84ac7a8fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:57.541972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043418/publication.md
observed 56f7ca9302c5d1ff17d83e3036dc58f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:57.522461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043418/publication.txt
observed 2e8c93342de6af4bddff080d75f3e357...
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.