OpenTechnical

OT-2026-000100410

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000100410) never changes.

Identity and time

Publication numberOT-2026-000100410 · never reused
Internal UUID01a0aea3-66ef-73d1-8f6a-b1bcb3e91b27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100410
StatusPUBLIC

Content hashes

Canonical text4ed744e9772927e5f0e4f49d1b0e8322e744c245e5f978deee4fb5f01acf24b9
Markdown69a607797c5149da2a1d56cc7c5da1e68b60cccd19855f266a5a258eecb4aa76
PDF
Publication page7d9bca6b4884567391f65230c7ab3f8c0fb763899abe67c73ea42c8b140ef6ff
Manifest6e608ff41762d60f02eff309f089eae29d151db8f643775c9c3becf235e43b54

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
SignatureH/ZDkofaAZzeYSPpVXbkEnfy5fbvGozhR9JaWr7Aj8w+5DruL8n7EP7Coo8JIUYPx96wEJYQ6AOFwj1YTY/DCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:08.992783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100410
observed 7d9bca6b4884567391f65230c7ab3f8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:08.976317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100410/manifest.json
observed 6e608ff41762d60f02eff309f089eae2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:08.958182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100410/publication.md
observed 69a607797c5149da2a1d56cc7c5da1e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:08.939464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100410/publication.txt
observed 4ed744e9772927e5f0e4f49d1b0e8322...
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.