OpenTechnical

OT-2026-000013174

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000013174) never changes.

Identity and time

Publication numberOT-2026-000013174 · never reused
Internal UUID01a0ae6d-6fc8-7417-8fca-8be26a286f90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013174
StatusPUBLIC

Content hashes

Canonical texte5c7bfa8d1cf8e1edb4540d9c9e47a380c9d880dd2065433a9d88189f946c64f
Markdown105da7f7b3e3d5df7a061ff4d0f4bf2019f5cca61d2891879c9e16f9137086fd
PDF
Publication page67558123c06f6da14bb5e79b3dcc3f4e42586e43c411a9f52082c69fd7f004d9
Manifested747226aebfa6713b936ecd5453f24dfb304fb51d19192bbfad4590df922ede

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
SignatureQDnRTNsbQak+FnFMdf/K+FODWAlcPTXpQ6GB9AgJUaaU1cmgE6ZXyUK2t8SwXlfOH5I9GQ/klc/Nxq9Hez8gDQ==
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

2026-09-17T12:09:33.080862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013174
observed 67558123c06f6da14bb5e79b3dcc3f4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:33.061734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013174/manifest.json
observed ed747226aebfa6713b936ecd5453f24d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:33.043233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013174/publication.md
observed 105da7f7b3e3d5df7a061ff4d0f4bf20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:33.023973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013174/publication.txt
observed e5c7bfa8d1cf8e1edb4540d9c9e47a38...
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.