OpenTechnical

OT-2026-000022227

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pulsed blow-off before set-down

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-2026-000022227) never changes.

Identity and time

Publication numberOT-2026-000022227 · never reused
Internal UUID01a0ae6f-f4fc-7bb9-801a-0256d5b4028c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022227
StatusPUBLIC

Content hashes

Canonical texta42ec369189573bdbe96f2cc32c233f9630a91dc71da60db45447bc4f02100fa
Markdown9e7e62fb5721f25f7ede16381f1b2dc0b9b3835dfef80d458aa0d2fbb96d9e04
PDF
Publication page79d4daa22e93c8eb34ad32b142bae0a7060d32635a31a2ac06755b0c6477fec2
Manifest9ae07ed5b7e54e0163f8941a7e0e15e7299493ba6e33a090b44814d18da40f92

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
SignatureKbCILcscP5zCehx7Zag4ddBtStb2MljZxSbu/nVgEO11rTxfr2O3b8nHqv6ACnZvaDJjjHy1FwjKUbHDPxwlAA==
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

2026-09-17T11:52:55.049843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022227
observed 79d4daa22e93c8eb34ad32b142bae0a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:55.035079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022227/manifest.json
observed 9ae07ed5b7e54e0163f8941a7e0e15e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:55.014517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022227/publication.md
observed 9e7e62fb5721f25f7ede16381f1b2dc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:54.986141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022227/publication.txt
observed a42ec369189573bdbe96f2cc32c233f9...
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.