OpenTechnical

OT-2026-000103143

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000103143) never changes.

Identity and time

Publication numberOT-2026-000103143 · never reused
Internal UUID01a0aea4-be3e-72f1-b98b-3a7ef7ad6c70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103143
StatusPUBLIC

Content hashes

Canonical text27f169b5f71221b1b5060147d34de134d7378ca1980ae5b6bfec31af3d525c1a
Markdown7042b217e218cb7c39f4b15a531dd739cfafbd19ce8ad354a1cdf5f2341cc361
PDF
Publication paged3bdcc980136dcf3c4a0e878b0327db18616dbf87c586ba18476c0190e400440
Manifest42e0acb7cf8ee910a7d999e335d19386c735e3118e273caeb55b08729e415cff

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
SignaturezrRt6XJC5wkymq1llHX6CUwyYGtHOM9FmvDlKITYNI+vDBRqpoPVeMor7K9MM0pa0d/MBOkzSdVAImwLamRKDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:21.081563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103143
observed d3bdcc980136dcf3c4a0e878b0327db1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:21.062972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103143/manifest.json
observed 42e0acb7cf8ee910a7d999e335d19386...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:21.045007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103143/publication.md
observed 7042b217e218cb7c39f4b15a531dd739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:21.026163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103143/publication.txt
observed 27f169b5f71221b1b5060147d34de134...
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.