OpenTechnical

OT-2026-000016879

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, 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-2026-000016879) never changes.

Identity and time

Publication numberOT-2026-000016879 · never reused
Internal UUID01a0ae6e-591a-706c-a192-69b54bcfe5d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016879
StatusPUBLIC

Content hashes

Canonical texteb9c5b9f7b8a48c2f215f5661b9fec5792bd2643dff05e2a31e6586d8b42d681
Markdowne2515c1854a6311334f288bd8b5dff0e8e4a21624ca4f02c6be6997070c2a283
PDF
Publication paged3ea2e4a2707e878241907e8200910260b2f751a8bc8745548071a4e73aafeb3
Manifestf8f8dc026844ea2b5c19c9888b16acc55e8ed9f90753eac44361c3a6f6ea687b

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
SignatureumDqeIal7vV5EXybxkM8s3Q9BT/zMPFL/wUJ/eMljkLWoiYUZqD/GsMuMbB/S5HC0jsedDND38wjFA/vdVR6AQ==
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

2026-09-17T12:03:08.996411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016879
observed d3ea2e4a2707e878241907e820091026...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:08.979671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016879/manifest.json
observed f8f8dc026844ea2b5c19c9888b16acc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:08.963794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016879/publication.md
observed e2515c1854a6311334f288bd8b5dff0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:08.946775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016879/publication.txt
observed eb9c5b9f7b8a48c2f215f5661b9fec57...
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.