OpenTechnical

OT-2026-000041912

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000041912) never changes.

Identity and time

Publication numberOT-2026-000041912 · never reused
Internal UUID01a0ae79-e8a6-717b-9e45-1ac882511126 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041912
StatusPUBLIC

Content hashes

Canonical textc58510fd06e21830b1cd9b6b684ff3587f69518b70a81132d18da8484708cda7
Markdownd00098735a2381e122effef743ebc276a7672b8cdcb8fcbd2ed7da2cf73f39a8
PDF
Publication page95b3f685b988135a95accd7cd2f57ddcc10481102bad5fcd7da36dab0679ef40
Manifest0159d3354f16ed4badb18d169a115b1f2fee240ab94f232440bd67d4170e9562

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
SignaturelBlswzpc0MgHnprQFrLVkJtu7l+12TVP4yDP9dxcPgwD3MA+2/P0V0uG3/yZyUPsMPrG3D1sIIl76tkXkRBPDg==
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

2026-09-17T11:16:47.730383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041912
observed 95b3f685b988135a95accd7cd2f57ddc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:47.714071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041912/manifest.json
observed 0159d3354f16ed4badb18d169a115b1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:47.695725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041912/publication.md
observed d00098735a2381e122effef743ebc276...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:47.678953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041912/publication.txt
observed c58510fd06e21830b1cd9b6b684ff358...
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.