OpenTechnical

OT-2026-000095038

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, pressure sensor per zone, 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-2026-000095038) never changes.

Identity and time

Publication numberOT-2026-000095038 · never reused
Internal UUID01a0ae9f-2df0-71e1-8c3a-5d1524f957c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095038
StatusPUBLIC

Content hashes

Canonical textd035a49dc7d7f3e4443cce979fef2256d874e33a1d0e1387a7eb9a4482a8f22c
Markdown2409f3916067425d17d72d949e94e4369ec6aa85b29ddf26151db1fa0f63e64e
PDF
Publication pagec8aff7877dd8b59a33d0e51e010539eefb7b745c4a1ae65a5d2c7d30353fa3fd
Manifest6472d246e713b69daa287191a29304e792fac0c05206968e9952b661680a2dcc

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
SignaturedCzzsYvyhE2tagkI/RhoJ8xD6ezRG0P5PPPF4RnfQ3d4vqg6UAxUyFs/JIZm7ntkVct6nksBBFFNwfR6MP6aDA==
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

2026-09-17T09:37:36.061552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095038
observed c8aff7877dd8b59a33d0e51e010539ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:36.044111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095038/manifest.json
observed 6472d246e713b69daa287191a29304e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:36.028038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095038/publication.md
observed 2409f3916067425d17d72d949e94e436...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:36.012913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095038/publication.txt
observed d035a49dc7d7f3e4443cce979fef2256...
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.