OpenTechnical

OT-2026-000026442

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000026442) never changes.

Identity and time

Publication numberOT-2026-000026442 · never reused
Internal UUID01a0ae71-f4a8-79ff-a991-5d1636bd14ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026442
StatusPUBLIC

Content hashes

Canonical text8c3528bafe7ddb102bb7275b460b30f30e83e49c3e3fd8930ce731ff4fad5978
Markdownc7bf6075d3a0b66b98bdffa99290185c82c2e36fe02d15f1244b6370b0713f5a
PDF
Publication page710ee0a3ea787746d87d23b23fde085922d1cb53d5dac10760c9d0935b109f1e
Manifest3f3dc9a787585d98653df2ab5b5210e6d8944b0ce9d949a72d6714c5764efb9a

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
Signature38IsAc0Bxb67G8BZM1hr8cG2n/KUr73U/THY4vRWoM48GtcmZ8z01+8k81wYj21AVbrvfS6BdR08rAgNtceSAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:44:26.287374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026442
observed 710ee0a3ea787746d87d23b23fde0859...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:26.271772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026442/manifest.json
observed 3f3dc9a787585d98653df2ab5b5210e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:26.254207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026442/publication.md
observed c7bf6075d3a0b66b98bdffa99290185c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:26.238735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026442/publication.txt
observed 8c3528bafe7ddb102bb7275b460b30f3...
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.