OpenTechnical

OT-2026-000049195

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000049195) never changes.

Identity and time

Publication numberOT-2026-000049195 · never reused
Internal UUID01a0ae81-134e-7786-8b64-2ba7739c0308 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049195
StatusPUBLIC

Content hashes

Canonical text6733ec3e78117f849270c590d3e1c7da44e40d87345a896a244be739192ab5af
Markdown25624fd08e02737a3cc32af7d0a74eea4cbfe9e3cdea87e9aa8f15d31695b75b
PDF
Publication page47c57d9931963f1a5130c7b70bca62399bd7bfa335f5b962d9f197347c8cc981
Manifesteead7d26b3adfe77813262f39f59933de6803beb94e0538352d9194436a2d574

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
Signature5MYqaMr+2oFWEoGay6/aB9ZJV8dsbNdnDuj6/9yOcHyGp+hc4IOs5KeYgyxJeIndooqrWt2zW7j1DnWUgiYOAQ==
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

2026-09-17T11:04:00.353612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049195
observed 47c57d9931963f1a5130c7b70bca6239...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:00.333566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049195/manifest.json
observed eead7d26b3adfe77813262f39f59933d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:00.313347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049195/publication.md
observed 25624fd08e02737a3cc32af7d0a74eea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:00.294631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049195/publication.txt
observed 6733ec3e78117f849270c590d3e1c7da...
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.