OpenTechnical

OT-2026-000087236

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, sustained 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-2026-000087236) never changes.

Identity and time

Publication numberOT-2026-000087236 · never reused
Internal UUID01a0ae9a-9f2e-77c3-86aa-06fae6979b9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087236
StatusPUBLIC

Content hashes

Canonical text76aaacb49da93171b86717c52f4ba8466a5ebc4cbb65313b25d28e882f610dcd
Markdown505d83f698c78d30148f05c377c7f72779aaf68143828e11e7c526b75ae2cbe6
PDF
Publication page8838801eb311d2d0c071fe081450f6d8bbb7c2bd65febb53bca542ef605cd94f
Manifest6ded946259884b9fe29a84a51ba8f66e54ebe310b3692f438080b3aec4b87997

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
SignatureuvXPcrNQ9O5Vdv7iPw86BTJbjPRzRIlv2MA1FF7bXSPbofIclGdLlqZS+PQwYsF9KLUbS5ud/o+Dzc8pgn/ECQ==
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

2026-09-17T09:51:32.228895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087236
observed 8838801eb311d2d0c071fe081450f6d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:32.210620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087236/manifest.json
observed 6ded946259884b9fe29a84a51ba8f66e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:32.189699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087236/publication.md
observed 505d83f698c78d30148f05c377c7f727...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:32.172160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087236/publication.txt
observed 76aaacb49da93171b86717c52f4ba846...
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.