OpenTechnical

OT-2026-000024026

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000024026) never changes.

Identity and time

Publication numberOT-2026-000024026 · never reused
Internal UUID01a0ae70-aed7-7470-b50a-a95fc5d5ca63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024026
StatusPUBLIC

Content hashes

Canonical text8ecf5a9b66e1bfeb5c5156db8a838f68789d0281ffc918cf22b3a0875d5973a2
Markdown00cb560318f364aba3c99ec0d19bef9f12b96a9d8e99d8925cb5cd8ff9134962
PDF
Publication page456fb4efb2f015f18e3b2efe7a86be426cfb3bea5c6074af77d5cd1e58641e5d
Manifest7cf3c7162ad0b938053e5d59ccdbb16cdbe90f0fe71996ef3a718638d5063358

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
SignatureDRZzaAOMuc28gNxR6Dl4BJckM4/G6ZLV1OXutrqKAG3xaNBUpoZqsIswLR07cC6SrxAessXHTCLnVaTpqorhAQ==
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

2026-09-17T11:50:48.606448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024026
observed 456fb4efb2f015f18e3b2efe7a86be42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:48.578159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024026/manifest.json
observed 7cf3c7162ad0b938053e5d59ccdbb16c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:48.561216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024026/publication.md
observed 00cb560318f364aba3c99ec0d19bef9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:48.543336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024026/publication.txt
observed 8ecf5a9b66e1bfeb5c5156db8a838f68...
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.