OpenTechnical

OT-2026-000039840

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000039840) never changes.

Identity and time

Publication numberOT-2026-000039840 · never reused
Internal UUID01a0ae78-d8d6-7ad3-9109-ddb50538b9dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039840
StatusPUBLIC

Content hashes

Canonical text2434bc939d89c55bf64e4342f1383c0957f21b21257dc86290da58687bd1165b
Markdown45161d1d1d2cdd2ba0997333349232a44eee9ddb50593999b558e4a2a4c1f16e
PDF
Publication pagef38dae6824db4b5367c8a509ec34066880f0916f1a83c304f604fb43a969cd5f
Manifestbc4ac843d5a60b1b4dfad9b1d1173bb8d30562c7378ea1a2d619d85511727c66

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
SignatureWkjhRes2wkQhq69K1f2hfmLm3YFye4HX2SkGUwgyGVKcHJGs57MpS2z6TfR3qjPP5Wtb83rpKbIj91zrzPinDA==
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

2026-09-17T11:20:05.041298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039840
observed f38dae6824db4b5367c8a509ec340668...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:05.024949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039840/manifest.json
observed bc4ac843d5a60b1b4dfad9b1d1173bb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:05.009742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039840/publication.md
observed 45161d1d1d2cdd2ba0997333349232a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:04.991086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039840/publication.txt
observed 2434bc939d89c55bf64e4342f1383c09...
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.