OpenTechnical

OT-2026-000048987

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000048987) never changes.

Identity and time

Publication numberOT-2026-000048987 · never reused
Internal UUID01a0ae81-134c-7dc5-a899-9a1cff86689b · 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-2026-000048987
StatusPUBLIC

Content hashes

Canonical text584ff792f66bc4c211487abacad26636bc193196d5b5bc1a2f834916ed6128a4
Markdownef3e09403c13481d0b921aca3c2d0b0b4823f786de0bf749bec9dba202f3a6e3
PDF
Publication page17ca9b9dbe10cb2ad7f4284578620ca1dbb41452865634fe96ac4a4d36f676c9
Manifestd86cab6f4a35ef3a21132f1c24f3fd21c49f9e2c380077700707a90e96e637aa

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
Signature4+a6ZjjNg8r3OQlFPhvCw+zXVJESaKePJHkWCLI5i1OixpJL/3hy7pXt8yP6ArypZz32w6FrAR5kM3KwUKMVAA==
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

2026-09-17T11:03:11.520072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048987
observed 17ca9b9dbe10cb2ad7f4284578620ca1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:11.500415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048987/manifest.json
observed d86cab6f4a35ef3a21132f1c24f3fd21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:11.482145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048987/publication.md
observed ef3e09403c13481d0b921aca3c2d0b0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:11.463712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048987/publication.txt
observed 584ff792f66bc4c211487abacad26636...
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.