OpenTechnical

OT-2026-000010843

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, vented 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-2026-000010843) never changes.

Identity and time

Publication numberOT-2026-000010843 · never reused
Internal UUID01a0ae6c-540d-7dcb-9826-99f98855ef09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010843
StatusPUBLIC

Content hashes

Canonical text2f70fc901d5749c8def9b371e7ed1d90ea9a3dc449088ef65ae790480a3d053b
Markdown274c20a6270bcea9b74da4399f7add6acc75f088c04ab635e60893e4079d084d
PDF
Publication page718902c56a5ab07c806a5c03e66bf2e0dbf555f93731307c35ebf5465067f8d2
Manifest4ff00851bf4f1cfd0fdcde7758e936f5e2257616cdbe1c14fe19d8572d70e0de

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
Signature1Rb03GadoIVcbc2PUo8WYf8Dieo9yBJd8u6TiSpl+OKhXIJugt9X7z7WCs5L5dqSCbHIMBrEOy0fUi3rpf0kAA==
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

2026-09-17T12:13:36.005124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010843
observed 718902c56a5ab07c806a5c03e66bf2e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:35.982872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010843/manifest.json
observed 4ff00851bf4f1cfd0fdcde7758e936f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:35.965299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010843/publication.md
observed 274c20a6270bcea9b74da4399f7add6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:35.943381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010843/publication.txt
observed 2f70fc901d5749c8def9b371e7ed1d90...
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.