OpenTechnical

OT-2026-000009239

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, vented after 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-2026-000009239) never changes.

Identity and time

Publication numberOT-2026-000009239 · never reused
Internal UUID01a0ae6b-31b9-752a-a7bc-fc660d9072ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009239
StatusPUBLIC

Content hashes

Canonical text345651af0cc27ee818e699f04f751319fe01bff5b3172bb9ade4e592aed66e5a
Markdown6ce38eac35f372179287ac739777e4b2f7f211f31680c27169f55e01089b77da
PDF
Publication page53b7f54570c100454dfbf16265f9d3809c0ece02d07c3e0ae9e9c83ebc4da481
Manifestb0e5b78f65c503716098216d84a727b91d579a6f074a4a9b04b5eac13565bb02

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
Signature7eCZtwfq9CF1gToZdn4IQr5zvJi3z3HgYDBCNAHf/nLeAZUsVKPfpTGhzppbsqa2q6B+VJX4Zp85dfg58h3fBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:58.472355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009239
observed 53b7f54570c100454dfbf16265f9d380...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:58.452985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009239/manifest.json
observed b0e5b78f65c503716098216d84a727b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:58.432697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009239/publication.md
observed 6ce38eac35f372179287ac739777e4b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:58.410723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009239/publication.txt
observed 345651af0cc27ee818e699f04f751319...
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.