OpenTechnical

OT-2026-000031051

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three 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-2026-000031051) never changes.

Identity and time

Publication numberOT-2026-000031051 · never reused
Internal UUID01a0ae74-3fb7-7794-ba80-0e85ec5569a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031051
StatusPUBLIC

Content hashes

Canonical text015b012d10fa64219df6d5c5cf21bbfb6332183cd9740eae0f024a91d14746d5
Markdownf1cba53717defe5e1381a36f33a382b88f0827d0879cf8f951b68e5e28d49cf5
PDF
Publication page9f6f378e4d062c2afbb6573b0e86d20f28bc2602802982bee4513035317de2c7
Manifeste8fd2cf439b0fcf641cde91e5dab1ca594b879561bb5f16d94664b4258bd6ac9

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
SignatureVxF/xDBHaFxOjFqWWMRcl8jqzPZakfSCBm53BN5wx+j/+M0jQGrx+VVWPbO3pSjOED3Iq/svIGzfragt4OlZCQ==
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

2026-09-17T11:40:09.269527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031051
observed 9f6f378e4d062c2afbb6573b0e86d20f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:09.250434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031051/manifest.json
observed e8fd2cf439b0fcf641cde91e5dab1ca5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:09.229008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031051/publication.md
observed f1cba53717defe5e1381a36f33a382b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:09.209762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031051/publication.txt
observed 015b012d10fa64219df6d5c5cf21bbfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:38.079943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031051
observed 9f6f378e4d062c2afbb6573b0e86d20f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:38.063683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031051/manifest.json
observed e8fd2cf439b0fcf641cde91e5dab1ca5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:38.042242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031051/publication.md
observed f1cba53717defe5e1381a36f33a382b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:38.024989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031051/publication.txt
observed 015b012d10fa64219df6d5c5cf21bbfb...
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.