OpenTechnical

OT-2026-000101042

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, 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-2026-000101042) never changes.

Identity and time

Publication numberOT-2026-000101042 · never reused
Internal UUID01a0aea3-c377-7a9c-bf11-48eb15c9ba18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101042
StatusPUBLIC

Content hashes

Canonical text93c44bb3734b8c22d35cece4adfa70a6ceaa2e53cb4279c6bf3c44c70d9fea80
Markdownba45920e6679eb8927bd2bca83934ee22a689586cfeea529c9e11d1ef7aeca6a
PDF
Publication page4a0d995adc9510faa9923a7f07cf4dcb4b9584c72d76fb9856bf5fc08f3df87d
Manifest77158755e75cfc2407d0f0e00c6cb37c6a862ab343cc49a7898b45dc9cb111e4

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
SignatureMS5omh/n4rdMAv+yd3s3YkD0vvzpPtjjTNEuUluerRcl/m+UjvwfXaUDg9kOl/uIA9DgNASpXCavYWVt5TIlDw==
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

2026-09-17T09:26:39.074900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101042
observed 4a0d995adc9510faa9923a7f07cf4dcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:39.055185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101042/manifest.json
observed 77158755e75cfc2407d0f0e00c6cb37c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:39.035629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101042/publication.md
observed ba45920e6679eb8927bd2bca83934ee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:39.013364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101042/publication.txt
observed 93c44bb3734b8c22d35cece4adfa70a6...
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.