OpenTechnical

OT-2026-000042447

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000042447) never changes.

Identity and time

Publication numberOT-2026-000042447 · never reused
Internal UUID01a0ae7a-5d75-7709-a78d-b70a583cbe4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042447
StatusPUBLIC

Content hashes

Canonical text0dc74089667455466a72f1ff35a1f853591af91ae26af453c9f1f1cea6783198
Markdown240d0fe88b2e87d1669e7ffd20628a8c260a31544dbd4aa4dc63d080be0cecfb
PDF
Publication page5a03c1c42472a6d18885a733d5a556a0dadb5f6f7aa19dd7694938cf8c0dc331
Manifest54490ed7d47dc52969adbccbfabef098b78fae8859bd327ef0728aebfe21a306

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
Signature5OrSNdLdySgPBMut4Hzyw8UoQK5qTLmJgU6ajvGrXDwO5yQh+/FbcvG3CYqVV88dpSFSlInO4EHKJ3XSXJO/DQ==
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

2026-09-17T11:16:15.091527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042447
observed 5a03c1c42472a6d18885a733d5a556a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:15.073340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042447/manifest.json
observed 54490ed7d47dc52969adbccbfabef098...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:15.056623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042447/publication.md
observed 240d0fe88b2e87d1669e7ffd20628a8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:15.040343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042447/publication.txt
observed 0dc74089667455466a72f1ff35a1f853...
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.