OpenTechnical

OT-2026-000069671

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000069671) never changes.

Identity and time

Publication numberOT-2026-000069671 · never reused
Internal UUID01a0ae90-b52c-75b6-b970-187c78bd8623 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069671
StatusPUBLIC

Content hashes

Canonical textf70fdecec16a6c516d27e86723787c4c2b419a5e445ac183f75f05516677fc86
Markdown5fd0939f062719cb13b7fdbd5750fb7c04abd66eb9d388ab0443a07bd25fd60d
PDF
Publication pagea1107d2b0003b3c43f025b66cecdd420e5c7a92ed4f5dea197f05ca229208627
Manifest25099e231bc9864ca1c2fc8bfb2b42aea6394cc354f385666db7614858a728b4

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
Signatureg1BLlwFuA+gkk3viUXqvuIkLBUtzYnA3xrqnLIysSxmqvLEIV2cPCgKgVzTsuvOo36K4J8Eehl5tqLJj56adDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:28:20.641355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069671
observed a1107d2b0003b3c43f025b66cecdd420...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:20.618004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069671/manifest.json
observed 25099e231bc9864ca1c2fc8bfb2b42ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:20.592366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069671/publication.md
observed 5fd0939f062719cb13b7fdbd5750fb7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:20.570830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069671/publication.txt
observed f70fdecec16a6c516d27e86723787c4c...
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.