OpenTechnical

OT-2026-000049071

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000049071) never changes.

Identity and time

Publication numberOT-2026-000049071 · never reused
Internal UUID01a0ae81-134d-7850-a717-dc2d62841949 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049071
StatusPUBLIC

Content hashes

Canonical text810e0320f8c602a9a7e1539c9e1c85709ebc71590fe036df76f1bdba13c4f2aa
Markdowna922a514ea11bdb6bf9d00190999957d6a88e2c1f11b0b9431c9481d81404e61
PDF
Publication pagebecc0152af1f618477d5ee19dc3076b84e208e6b56a4f3a833b6280cc1fd916f
Manifest4772fac9f69019d351f0fa66fbc4939fcbfe968d63854c9cba01e63128ac504e

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
SignatureXwwOrLgbvseTDsfCIOcPZ6d3YCGXa5CJljvlWwIbtEDyUnqcgmfv5CsEseFKn6JfqBPkBWS3XfCjJc0Y5nT7Aw==
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

2026-09-17T11:03:18.560487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049071
observed becc0152af1f618477d5ee19dc3076b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:18.542392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049071/manifest.json
observed 4772fac9f69019d351f0fa66fbc4939f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:18.522287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049071/publication.md
observed a922a514ea11bdb6bf9d00190999957d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:18.498880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049071/publication.txt
observed 810e0320f8c602a9a7e1539c9e1c8570...
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.