OpenTechnical

OT-2026-000056410

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, 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-2026-000056410) never changes.

Identity and time

Publication numberOT-2026-000056410 · never reused
Internal UUID01a0ae87-4bd2-74c7-b6af-1dfb8646e0c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056410
StatusPUBLIC

Content hashes

Canonical text28696aaf377f344488573c6b57364e09c1524acb1bebc1c24143cd63e9695684
Markdown450405b0120c26e643e5880779fe55e8bd340004888eb0b2c39a434bb1c53f7b
PDF
Publication page7e920763bf905cbd2f139e80022dbbf0cdd4f77ebd5b3363f693cb37186e73a6
Manifest8977ecac5ccc90d80c5e46b2a9ba9e53626094fcb983604aed41fb8be4f7e70a

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
SignatureBrqOddin8+i2P02mcsfeEbPPIvWZW6cbmAYvWVqX7kSnAoJ10ZDMMFFLQcb2APsJmA6qXu/q8WkwL3TyaLrBBg==
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

2026-09-17T10:50:56.462600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056410
observed 7e920763bf905cbd2f139e80022dbbf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:56.445777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056410/manifest.json
observed 8977ecac5ccc90d80c5e46b2a9ba9e53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:56.430415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056410/publication.md
observed 450405b0120c26e643e5880779fe55e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:56.413840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056410/publication.txt
observed 28696aaf377f344488573c6b57364e09...
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.