OpenTechnical

OT-2026-000019867

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, 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-2026-000019867) never changes.

Identity and time

Publication numberOT-2026-000019867 · never reused
Internal UUID01a0ae6f-1fb6-7bd5-ac0a-3a4e4fed7284 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019867
StatusPUBLIC

Content hashes

Canonical text5c0a2479ae31e6916bd9a429d7826d68c79d07c5965dfeb035a3f0e16f4524e9
Markdown34a7f8bd296026423b45a23625cc7be2a95ed688f359bb83fbb3cd46cf194324
PDF
Publication pageeae77c58f514475c929c314e0ad31e076236dc20f1ff3e36b00cd993224613ab
Manifest64a7927907987d412d6e030d745756984d9bed4215dc7cb2d0cc37561c8e6447

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
SignatureZcq1VkVWtJh3okg8q+Ha9jnK3IYQAIL8vYA6V4/NN9j5Dt1W2YkWG3Ov/A/dZbxE+kzAg3W56t28e8kZ8IxbBg==
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

2026-09-17T11:58:04.048072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019867
observed eae77c58f514475c929c314e0ad31e07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:04.029162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019867/manifest.json
observed 64a7927907987d412d6e030d74575698...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:04.012283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019867/publication.md
observed 34a7f8bd296026423b45a23625cc7be2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:03.996251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019867/publication.txt
observed 5c0a2479ae31e6916bd9a429d7826d68...
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.