OpenTechnical

OT-2026-000103170

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000103170) never changes.

Identity and time

Publication numberOT-2026-000103170 · never reused
Internal UUID01a0aea4-be3e-7cf4-9ea6-24001f55a41a · 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-2026-000103170
StatusPUBLIC

Content hashes

Canonical texte7fd63924337a04c29269f096595d4a76f0c28ea142aca051594633e433dbf78
Markdown82741b91270482b0d6c25b8e89a4e3dc1f8dfbfac8a0c1577c1706ccca034ac8
PDF
Publication page84cfeb650ec69a16b24bffc322e1fca7c13e670142693aca3e16f372af482826
Manifest7edbb6c4e9c23bd0ba23a19b84bec219aa6228bc4a7b5291748af289e2aae4cd

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
SignatureK7V9ZA2kQbI+51cqL8yqnDuN0g9f3JkcOEz1BNtHF/Pv1yt8BNr/XrdC56v7kpgJPIne15KtPRNahS5Y4BCIDw==
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

2026-09-17T09:23:23.239988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103170
observed 84cfeb650ec69a16b24bffc322e1fca7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:23.220748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103170/manifest.json
observed 7edbb6c4e9c23bd0ba23a19b84bec219...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:23.202336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103170/publication.md
observed 82741b91270482b0d6c25b8e89a4e3dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:23.186012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103170/publication.txt
observed e7fd63924337a04c29269f096595d4a7...
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.