OpenTechnical

OT-2026-000013035

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, 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-2026-000013035) never changes.

Identity and time

Publication numberOT-2026-000013035 · never reused
Internal UUID01a0ae6d-5564-71a7-ad44-b6f58e375f32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013035
StatusPUBLIC

Content hashes

Canonical text4654d6f56089973a1f1410dd09d063acbc8208aca3b84604f03d525d26f6937a
Markdowna56b6cc7ded2f62981dc892699efab2069f0add686ab4dbed5adcf4f175b9038
PDF
Publication page36f8db4c507eb92b1c5b5385d5ff9718b14c5a45f15372c70beb424402f1ff30
Manifest8435bd7a2fc296353b5b87028072d7ab367b0def954c7283503197d2ee67a423

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
Signature5/Xed0EPk3BOCgXK//ENoU7D1smOinQacdAZGI957JhWtN/OU8rwDpkYqvxAgfknAWXRacR2t2MQUeg4YCYhCw==
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

2026-09-17T12:10:51.887503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013035
observed 36f8db4c507eb92b1c5b5385d5ff9718...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:51.870084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013035/manifest.json
observed 8435bd7a2fc296353b5b87028072d7ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:51.851457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013035/publication.md
observed a56b6cc7ded2f62981dc892699efab20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:51.834051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013035/publication.txt
observed 4654d6f56089973a1f1410dd09d063ac...
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.