OpenTechnical

OT-2026-000053870

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000053870) never changes.

Identity and time

Publication numberOT-2026-000053870 · never reused
Internal UUID01a0ae85-735e-7b59-90b5-22091fe01655 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053870
StatusPUBLIC

Content hashes

Canonical text2e7a4713779ba3d83439088c27f5077d44e31c14c26cf4512e77941329a327c9
Markdownfe4f42659666d5edfd76f28dbeeed01bafad37e485e6d38a705339c4e729aea6
PDF
Publication pageb1d84590d62538f137633ebab119301af8ba33ad842b31292d1cd3cef99434a8
Manifest1a5c7a1f624e487c0ba4459227dae3b0c671821db53bd57a1087d9bbe9f61aad

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
SignatureJyYgUWoyNa3m7JfBZIwoZmNzWW0TB3ztsXRy1+ri+SYhcf20yv38XetPJ4BoIdhdJ8yEK+Ev4U4k/CZM44IKDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:38.584168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053870
observed b1d84590d62538f137633ebab119301a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:38.565310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053870/manifest.json
observed 1a5c7a1f624e487c0ba4459227dae3b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:38.545266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053870/publication.md
observed fe4f42659666d5edfd76f28dbeeed01b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:38.527789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053870/publication.txt
observed 2e7a4713779ba3d83439088c27f5077d...
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.