OpenTechnical

OT-2026-000052615

Publication integrity record

Two cup vacuum gripper, two zone face, two stage ejector, supply line pressure sensor, 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-2026-000052615) never changes.

Identity and time

Publication numberOT-2026-000052615 · never reused
Internal UUID01a0ae84-573b-78c7-b3e2-2eda84aed881 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052615
StatusPUBLIC

Content hashes

Canonical text67b98efe9459ca92ba5042b8962db9657cf14f481c9acb53f9dce53a65e77b7b
Markdown1d5390e5cad9600e5e11f3127198256230296e60bd4130332e9d90cb043d70a6
PDF
Publication pagedd3e83c387986d60917c34b4580ea17957a4415b01fb0e64701a2c99a95450e3
Manifest0c9eb41186b84ddea0c8949169b74704510b664864f8759855134d9c768bf09e

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
SignatureSkTJqwo7gDeoA4aPUWAidiJsqVL6wYG/ZMrw287FiJo09DUMkt8cvV0MWTC4jfllGVUnlgQpil3poy1wtqGbCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:17.184337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052615
observed dd3e83c387986d60917c34b4580ea179...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:17.167689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052615/manifest.json
observed 0c9eb41186b84ddea0c8949169b74704...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:17.149995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052615/publication.md
observed 1d5390e5cad9600e5e11f31271982562...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:17.130397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052615/publication.txt
observed 67b98efe9459ca92ba5042b8962db965...
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.