OpenTechnical

OT-2026-000053205

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum 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-2026-000053205) never changes.

Identity and time

Publication numberOT-2026-000053205 · never reused
Internal UUID01a0ae85-0a14-7fcf-b1f3-c3a91f0d4b26 · 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-2026-000053205
StatusPUBLIC

Content hashes

Canonical text99e64c6c77304b1e5345978f5a6a7107a322f895dff5f9a5d30c693fe49a7aef
Markdowna39a0f8726739921b86bfe4eaf72b53c5c1cf837b2faa58158d9d25a05e88c35
PDF
Publication page51dfb493e9d979e5ee5a13cbaac74c4a289508ddd485cd43ab233abaa325d8bf
Manifest1d3ec3ef1069380d2720be7ff8bc7155a02d3f553f5a5eaca67f1dbf33e2650c

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
SignatureGPy2jVhO9NqhIkgRpCQPjXcnwqNug6kdKXOuIUfGYl1M7Cy6F7uiM7jJtY3zkBBvfNOJoy124P86xbGqjjpWBQ==
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

2026-09-17T08:40:48.754486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053205
observed 51dfb493e9d979e5ee5a13cbaac74c4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:48.735928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053205/manifest.json
observed 1d3ec3ef1069380d2720be7ff8bc7155...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:48.715943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053205/publication.md
observed a39a0f8726739921b86bfe4eaf72b53c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:48.580628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053205/publication.txt
observed 99e64c6c77304b1e5345978f5a6a7107...
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.