OpenTechnical

OT-2026-000103605

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, pulsed blow-off after 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-2026-000103605) never changes.

Identity and time

Publication numberOT-2026-000103605 · never reused
Internal UUID01a0aea4-e461-7932-ba71-29a1718e0853 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103605
StatusPUBLIC

Content hashes

Canonical textdd8efc98281175e754e9a691c3450cafe43ceac0ab871ecfbd9789751addbf2a
Markdowne63114f88773ae3616421fd8918f3429eda9cdcc31c977c1480a39a780adf417
PDF
Publication page43972d3536787d9c0732ba6a19cbc76d403c4b6605de6637ebfc8eaaa4a6181d
Manifest12b9c96a757c154e512589eae289465b51ba9bc0b3f8c0593d3c9953f246316f

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
SignatureN2fKaGTMUGMf5xCiBXZr6apWJPo6EinVA2AtglRiqpyjvjgB5S2u1K+NyE+EFYqxG3KKMtuMVv/wdDmnL37+Dg==
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

2026-09-17T09:22:23.711662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103605
observed 43972d3536787d9c0732ba6a19cbc76d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:23.695299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103605/manifest.json
observed 12b9c96a757c154e512589eae289465b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:23.679642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103605/publication.md
observed e63114f88773ae3616421fd8918f3429...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:23.664796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103605/publication.txt
observed dd8efc98281175e754e9a691c3450caf...
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.