OpenTechnical

OT-2026-000017855

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, pulsed 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-2026-000017855) never changes.

Identity and time

Publication numberOT-2026-000017855 · never reused
Internal UUID01a0ae6e-96fb-7de2-a504-20e15646af70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017855
StatusPUBLIC

Content hashes

Canonical text2a89042f0643bc55f895c0f8f2880a75123ac2de649ec5fe7156726481bea29c
Markdown10d9359859b8a9106a69ecf337dfc4d69bfaf0e8b7f11aba9e1b2a69fe691e85
PDF
Publication page96906d2f98d3e8bcfef931317b2f15a620b89fd10e79be040ed18215a354f79f
Manifest13e487f6fa79702cb38a796a4c927d5e188bd5014ec3685fc644de629498cc80

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
Signaturex9ci/MVzj1qrrMsoCHm+1jwH1+5uU1LCIPsNmhZSmfihkoyU/YNSklHaxMR5T3U40+YVXkQuYe5hr6UZwB3SAg==
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

2026-09-17T12:01:50.267925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017855
observed 96906d2f98d3e8bcfef931317b2f15a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:50.250965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017855/manifest.json
observed 13e487f6fa79702cb38a796a4c927d5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:50.233629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017855/publication.md
observed 10d9359859b8a9106a69ecf337dfc4d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:50.215568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017855/publication.txt
observed 2a89042f0643bc55f895c0f8f2880a75...
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.