OpenTechnical

OT-2026-000049199

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

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-2026-000049199) never changes.

Identity and time

Publication numberOT-2026-000049199 · never reused
Internal UUID01a0ae81-134f-7aa6-b6a4-7eaa1812eed0 · 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-2026-000049199
StatusPUBLIC

Content hashes

Canonical texte5affe93c4b34b75fb363581c7f91048c9227efefa24df74d9f06dca7d9bdd6b
Markdowned9a4e151de8a63c882faee60f88e941afdb9ea1bafab85921971b50ff476bf3
PDF
Publication page9545fd78ab0ecd89f96eb1793e73c7aaed41349ae6b96f1a88524bec11e18ff6
Manifestf266161853adfccd7ec2ff7347fd2b20cb0276869dbfd70bc4813ab9416d6c78

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
Signature1G5SMdmuDXEmY2Yv7Wbh6x5hCBe/k18Vo4dlGGi8XDlp7yHk99zv6Acbf2UiZhtu/wPvNuZp310uWZoH13lRCQ==
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

2026-09-17T11:04:00.668873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049199
observed 9545fd78ab0ecd89f96eb1793e73c7aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:00.650524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049199/manifest.json
observed f266161853adfccd7ec2ff7347fd2b20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:00.631812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049199/publication.md
observed ed9a4e151de8a63c882faee60f88e941...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:00.613845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049199/publication.txt
observed e5affe93c4b34b75fb363581c7f91048...
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.