OpenTechnical

OT-2026-000039079

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000039079) never changes.

Identity and time

Publication numberOT-2026-000039079 · never reused
Internal UUID01a0ae78-9672-795a-bced-2608a7355899 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039079
StatusPUBLIC

Content hashes

Canonical textf3bc08cbc88850c45b3187643168a45863d4410d99a617aa40b1606249dad20a
Markdown1e08bf95b264d2137906b29b7e9aa68945182135eb6c0e1c318a61c062313976
PDF
Publication page910ab5bc859739443f31196967a605729fffadb35565832443a58e4a7851e5c7
Manifest83b345072e2e840232c2f3a17ddb6a34653b942789b5a49c767f954102c00447

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
SignaturePH407PkhXAH0sKnxmkZT0LYv/ePBfKzYHfyfiNeWO7+BxLNzsIZGvG3v0wNIEsShzCjY0hLrMkVlLi+8xYyNBw==
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

2026-09-17T11:20:33.510187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039079
observed 910ab5bc859739443f31196967a60572...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:33.493936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039079/manifest.json
observed 83b345072e2e840232c2f3a17ddb6a34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:33.474866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039079/publication.md
observed 1e08bf95b264d2137906b29b7e9aa689...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:33.457643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039079/publication.txt
observed f3bc08cbc88850c45b3187643168a458...
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.