OpenTechnical

OT-2026-000028586

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000028586) never changes.

Identity and time

Publication numberOT-2026-000028586 · never reused
Internal UUID01a0ae72-e2f9-7a2b-a795-aed7b58dfb02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028586
StatusPUBLIC

Content hashes

Canonical text94193dbebcb212f0193f5d1dc5ec439c3ebfefc79c57753e3384057976140aec
Markdown3d6e8a9a6bbbe4c8dd4cf4263f8d03dd0932877fb64669bb41249692533280b0
PDF
Publication page8eb8cb8bc3fa707f799cc156823a746067d34043bae164b511425a8a1d1f66c7
Manifest52248e637e6af8b32cd62b0a55125e0e4cbec8980e36e4f935ae32acbce821c3

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
SignaturevmFqOTeNawzXE2S7mOCH+05syYdJIugr2UG8KTI/erqWw0KpMrfEqTuFT5YmIw57kH10q/TqcuoUq0viGb2LCA==
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

2026-09-17T11:41:26.257583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028586
observed 8eb8cb8bc3fa707f799cc156823a7460...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:26.236988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028586/manifest.json
observed 52248e637e6af8b32cd62b0a55125e0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:26.207041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028586/publication.md
observed 3d6e8a9a6bbbe4c8dd4cf4263f8d03dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:26.171321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028586/publication.txt
observed 94193dbebcb212f0193f5d1dc5ec439c...
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.