OpenTechnical

OT-2026-000068948

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, two stage ejector, 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-2026-000068948) never changes.

Identity and time

Publication numberOT-2026-000068948 · never reused
Internal UUID01a0ae90-6dcd-752d-9c28-28baa396e816 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068948
StatusPUBLIC

Content hashes

Canonical textc2c135be6999e46d9b98410db3fabbe1ae06aee07636e15e1471f76dbe29a7d4
Markdown2925211db7ca2aaca4607e52354ad0e92e745f301fe47b19b4aaccd9d49d8df4
PDF
Publication page39c7da726cff21d679b6edc67120ccc3a815c83f6b4d35e03ab45f4c0ddbba9f
Manifest834ba627c8c5ba181c39241231ebcfd8ec9e9499e9fc8047889171eb87e75a80

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
Signaturey6AB8cEut/ZZ3aKFXg1WjsN917JGAmhfYiMMw4Z7xLB8ng/uEIE5kwXoKElt0FshM5/ssjhs2RMUdSZxIJZdAw==
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

2026-09-17T10:28:47.054034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068948
observed 39c7da726cff21d679b6edc67120ccc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:47.038644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068948/manifest.json
observed 834ba627c8c5ba181c39241231ebcfd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:47.020767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068948/publication.md
observed 2925211db7ca2aaca4607e52354ad0e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:47.001029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068948/publication.txt
observed c2c135be6999e46d9b98410db3fabbe1...
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.