OpenTechnical

OT-2026-000043530

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, sustained blow-off after 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-2026-000043530) never changes.

Identity and time

Publication numberOT-2026-000043530 · never reused
Internal UUID01a0ae7b-92cf-7222-a826-f4ff14f9d5b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043530
StatusPUBLIC

Content hashes

Canonical text5f5e148d48faa59394bd1ff839322757884fe7cd564200a23478c150324fbb5b
Markdown81b81988db1031240bf228ee0e88681d2a5d885d5d7955093a46c525268044a6
PDF
Publication page5d25b27ed30ec93baa331aef00a086e314c075283561dd016e11ac5c282ff18f
Manifest03737a48ee05b7b6f74c8e8fef16094b2afc95291f95e75674f556c0587f6427

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
SignaturefsRwS5JbRpY3lJlKEgSCX+ZX3Y06M6NWUzWuPUk3QNT0wmoKMM7AuToEiqlntjYEzkPBcQb+o6I2xuc5AkbfAw==
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

2026-09-17T11:12:54.488199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043530
observed 5d25b27ed30ec93baa331aef00a086e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:54.470153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043530/manifest.json
observed 03737a48ee05b7b6f74c8e8fef16094b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:54.451271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043530/publication.md
observed 81b81988db1031240bf228ee0e88681d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:54.430846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043530/publication.txt
observed 5f5e148d48faa59394bd1ff839322757...
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.