OpenTechnical

OT-2026-000071144

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000071144) never changes.

Identity and time

Publication numberOT-2026-000071144 · never reused
Internal UUID01a0ae91-e0eb-7c46-ae0a-7a165bc35116 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071144
StatusPUBLIC

Content hashes

Canonical text19162baf44fa20b8b4d4961b66b2dd18932d29a2f804f89c46a79a29a099adbb
Markdown9e66ba4c79c634a5e8dc8aec08c01723ed64a9caaebc10a8d67e9c5a0fb03f31
PDF
Publication page461a5f38bfe7541bdd9d5b2419755d8eaf1d30bb4552fbb38973b10a0b28d5fa
Manifestcbeb914e10a237c07c541a09a7425fa459f90c926ffb88d4fa51d9b3c0862fa0

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
SignatureNdEVh1uIZ8GTc3gg5lTiUW2CutkSj0w0hJumt3g6bLRqaAv9CW6YHOcqk6OOoxFI+dbPl7moFr7DD/KdTHvFCA==
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

2026-09-17T10:24:38.902868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071144
observed 461a5f38bfe7541bdd9d5b2419755d8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:38.883419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071144/manifest.json
observed cbeb914e10a237c07c541a09a7425fa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:38.862258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071144/publication.md
observed 9e66ba4c79c634a5e8dc8aec08c01723...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:38.844074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071144/publication.txt
observed 19162baf44fa20b8b4d4961b66b2dd18...
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.