OpenTechnical

OT-2026-000053598

Publication integrity record

Two pad foam 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-2026-000053598) never changes.

Identity and time

Publication numberOT-2026-000053598 · never reused
Internal UUID01a0ae85-0a93-7336-b8d8-ff05abd0aac9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053598
StatusPUBLIC

Content hashes

Canonical textafd6e4e6809a342b9eb29f70db79de521882e6e4253c8b76a0f44e2f5ff360c3
Markdown354b98f22b5c0291ebe8b436639fbbc9d80416ff11c1c62ae23f08811a19a14e
PDF
Publication page25b13320d992973080630146e9e5c87f9eb22666b854b205ea2452040f90a7cd
Manifestefa7b76859fbac1aac85e6bd9b52d39fbcac2d988a2c4368cbe69b9bf334f3ad

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
SignatureQpi+qwNPmzj60gQz49kcYSf927NcFF6qEYcRIuVbDfmpcNOvW2kNGf/hBuOZggHXIGhy98iy1vNKXZ/gRqsKDQ==
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

2026-09-17T10:55:28.180551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053598
observed 25b13320d992973080630146e9e5c87f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:28.162630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053598/manifest.json
observed efa7b76859fbac1aac85e6bd9b52d39f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:28.143762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053598/publication.md
observed 354b98f22b5c0291ebe8b436639fbbc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:28.119524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053598/publication.txt
observed afd6e4e6809a342b9eb29f70db79de52...
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.