OpenTechnical

OT-2026-000056225

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000056225) never changes.

Identity and time

Publication numberOT-2026-000056225 · never reused
Internal UUID01a0ae87-4bd1-7a9a-bc74-d3283528ca77 · 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-2026-000056225
StatusPUBLIC

Content hashes

Canonical text8db8380198ccdaad74b5725207c8d202a3f6b9da65e60e4ed0071ebfc6a535ae
Markdowne2b1d8ed98e25a1e3408e8847ec2ce483e856e7c7543f0d3daf01d924965a3a9
PDF
Publication pagea8f510de3c21877f4d1e916bfc217027b0b1d61f5d8242715eff6495c5858cac
Manifest75b6be2c435657f95d6e86607fff39078e63d8eb6247dcdd2479c14a8944ca23

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
SignatureemWwRGYwvNpdpop8TTip66thWfTLYW2FFPSzq5faS3Il7EKNn7wKHZI3RDX/4G592gW2QUirU6w5xNPryswwDg==
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

2026-09-17T10:50:42.136518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056225
observed a8f510de3c21877f4d1e916bfc217027...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:42.119161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056225/manifest.json
observed 75b6be2c435657f95d6e86607fff3907...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:42.101171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056225/publication.md
observed e2b1d8ed98e25a1e3408e8847ec2ce48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:42.082556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056225/publication.txt
observed 8db8380198ccdaad74b5725207c8d202...
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.