OpenTechnical

OT-2026-000026390

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before set-down

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-2026-000026390) never changes.

Identity and time

Publication numberOT-2026-000026390 · never reused
Internal UUID01a0ae71-f4a7-72ee-8734-9672bd6d241a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026390
StatusPUBLIC

Content hashes

Canonical text4c9f92ba8ce339e8953cc7395e628381968a3a78b223e7983997e09315d5e8db
Markdown6f59e197ea4185012ad32d8b76b704dbe3368fbf9723484e2968bdf341f699e5
PDF
Publication page8159187b4c09007264464cf782660b47051dce1949a4fdad64dc59c619aa17ea
Manifest7580f7ad1337b96f4c12bdafade99a46da73c1416bbf6ff8293ba0199d111a3c

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
Signaturexu8X81iTt/2G+O9+IPq+ysXpOlz+0uZ9kQrHcGlThrkK8K0X53XRcxsZADRoJ0ar3g6qGdIDBDxPe3GsQ/LWDQ==
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

2026-09-17T11:44:22.386339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026390
observed 8159187b4c09007264464cf782660b47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:22.368795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026390/manifest.json
observed 7580f7ad1337b96f4c12bdafade99a46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:22.353845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026390/publication.md
observed 6f59e197ea4185012ad32d8b76b704db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:22.338384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026390/publication.txt
observed 4c9f92ba8ce339e8953cc7395e628381...
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.