OpenTechnical

OT-2026-000101620

Publication integrity record

Foam pad vacuum gripper, three zone face, 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-2026-000101620) never changes.

Identity and time

Publication numberOT-2026-000101620 · never reused
Internal UUID01a0aea4-0e16-775f-832b-63325ff2c596 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101620
StatusPUBLIC

Content hashes

Canonical text7771278afe6ca50a4e7882f8bb5e0629962df7127560a46a82b7a209a7955147
Markdownd0e224cbe499f1b3a7415ef695eeb50843ef18b9f82705153dd559fd7aa408c0
PDF
Publication pageae1bd1c66f52a64c0a44a52f32c35f7dc4d1efc9b416bc130ac888a2a56238bb
Manifest5ff7fd3d60fba42efb770f203adb012daf574ea0cce71cac8c6c32d9f66b8de6

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
Signature7yLH4gnMzQg+dOPwYZEhclRDnznlM4/caKi75MtWGeEYcNK7Pw9p/Gxn2j2sQWAvkIv+oAHIpmHFJl36binMAg==
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

2026-09-17T09:25:44.549656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101620
observed ae1bd1c66f52a64c0a44a52f32c35f7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:44.532003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101620/manifest.json
observed 5ff7fd3d60fba42efb770f203adb012d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:44.514422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101620/publication.md
observed d0e224cbe499f1b3a7415ef695eeb508...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:44.497170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101620/publication.txt
observed 7771278afe6ca50a4e7882f8bb5e0629...
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.