OpenTechnical

OT-2026-000056729

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000056729) never changes.

Identity and time

Publication numberOT-2026-000056729 · never reused
Internal UUID01a0ae87-7af6-7e93-b270-1740af2f7924 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056729
StatusPUBLIC

Content hashes

Canonical text2eed1b48a2b07004b2dde4e82729903bfdfea188bea562b4a7b353c220f3e604
Markdown2616af3d05e0f531e6432d5765547c4444a81d74add2f39bb37e4d539b96cd77
PDF
Publication page59c833f09b1d921a4d60b38e5c137104644ede0eabe204d4034ec596cf8083d5
Manifestb134e052729f5e364debeb83e29aa5b49b91697d4bc58e567709b1a1e91dcbc7

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
Signature/EfLv4EdAyQhtGpjczQog7PN0+RmbKyvlfwoyXwHuAt4afYNxPO93/HtBxwnAdvls9mLYojjgcM/PPpsWYBCBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:09.898201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056729
observed 59c833f09b1d921a4d60b38e5c137104...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:09.880225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056729/manifest.json
observed b134e052729f5e364debeb83e29aa5b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:09.861231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056729/publication.md
observed 2616af3d05e0f531e6432d5765547c44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:09.842255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056729/publication.txt
observed 2eed1b48a2b07004b2dde4e82729903b...
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.