OpenTechnical

OT-2026-000027996

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000027996) never changes.

Identity and time

Publication numberOT-2026-000027996 · never reused
Internal UUID01a0ae72-a51f-7810-b709-fbb8bb41c266 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027996
StatusPUBLIC

Content hashes

Canonical text6b75b187fcccbd2ebbed9ce95e4ba4cab8dbd2111c0565d438401ff278cb4f36
Markdown98aff26bcb44341569796463e66f582bc83eaee52d22612809d15ad79be08db0
PDF
Publication page92d66ce52e78a2559cf3f644ade10c582fe0e511693d1dc21926f9be564f93a6
Manifest804f546e647f1b68832e372d80cbe24bd0f7ccb8796e07b90a34aa335d73585c

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
SignatureUxr1M5wWIpcdG9ptwM7UDHpICnHOsPxDW8bM7M1PXJ31iak9ZlPHzGXMRFMhmMazEAKHKkGT3ODgm6G5wcjECw==
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

2026-09-17T11:42:12.252744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027996
observed 92d66ce52e78a2559cf3f644ade10c58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:12.235385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027996/manifest.json
observed 804f546e647f1b68832e372d80cbe24b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:12.218539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027996/publication.md
observed 98aff26bcb44341569796463e66f582b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:12.199901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027996/publication.txt
observed 6b75b187fcccbd2ebbed9ce95e4ba4ca...
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.