OpenTechnical

OT-2026-000027620

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000027620) never changes.

Identity and time

Publication numberOT-2026-000027620 · never reused
Internal UUID01a0ae72-6999-7005-a577-91e01bae87b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027620
StatusPUBLIC

Content hashes

Canonical text458ef3cb9db2948637b33bb351c139cfb2fa0fd4dd1584b9811dd302afaf52ef
Markdownf0f5863aaec70a16b1bef153ab943abb1c7121e3cd5e6e337069feb9b9d4ad2b
PDF
Publication pagec60b6ff4c6f79e1a602ecc34985a328363954f4b11d5abefd7c7d9a8b2f203de
Manifest828433f416ccdc4d9ee7330d6795fe8fa65551a838332cab159ddde43a6106f5

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
SignaturetKRZxhATmiKA2kDD5qhzJSPqmI/LFHg083hNiomRFDuCjKMKDx8VaWn5xwC2AoYqtNf2uEao7qdcRib3/3ZSDw==
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

2026-09-17T11:43:08.391904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027620
observed c60b6ff4c6f79e1a602ecc34985a3283...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:08.375444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027620/manifest.json
observed 828433f416ccdc4d9ee7330d6795fe8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:08.358067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027620/publication.md
observed f0f5863aaec70a16b1bef153ab943abb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:08.337406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027620/publication.txt
observed 458ef3cb9db2948637b33bb351c139cf...
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.