OpenTechnical

OT-2026-000029979

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, single 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-2026-000029979) never changes.

Identity and time

Publication numberOT-2026-000029979 · never reused
Internal UUID01a0ae73-ac49-7e81-a075-00adc01c6df8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029979
StatusPUBLIC

Content hashes

Canonical text7aa0a3972b16851920ca466c67587f423da1f56dc8594de0ef8f177426fb2483
Markdownec9b62d8b9ede39c114b587493d8e55cead6b51c7ff527b9e16ef06913382a71
PDF
Publication page08d960e08b081f52ac9b467bbb638f6cba4c7877f8359952d0516e9d5b99dd8c
Manifest8c31a805a92197617349e0538d18de19f145ee12632916de85675d3945112f36

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
SignatureMLBXgryYxd/IkMIYNr8Rila1XUDCixmpm9zgtMebadmYIPzKIoBu8xZUjA2Xi4FDGlq76NkwXErFDu0hr2WoAQ==
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

2026-09-17T11:38:42.126164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029979
observed 08d960e08b081f52ac9b467bbb638f6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:42.105399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029979/manifest.json
observed 8c31a805a92197617349e0538d18de19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:42.081200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029979/publication.md
observed ec9b62d8b9ede39c114b587493d8e55c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:42.060810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029979/publication.txt
observed 7aa0a3972b16851920ca466c67587f42...
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.