OpenTechnical

OT-2026-000087137

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump 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-2026-000087137) never changes.

Identity and time

Publication numberOT-2026-000087137 · never reused
Internal UUID01a0ae9a-9f2e-74a3-9e80-b46f7cc27957 · 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-2026-000087137
StatusPUBLIC

Content hashes

Canonical text935560eb33f5d0a1ce2116b6321309c248a1f0722135639c9f90561270c45f76
Markdown150b0b0d929b4d51b931a644d872f643eb5f321cce9195f7df8a3fc6d57f9fc3
PDF
Publication page14ff816499976e66313de871f9802bcf71784728b18c54cf45ddd8c9165a1e41
Manifestc4577cffaecf824e358bb9f9a849744c3a96b5ba093437801577b8eff0abc469

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
Signatures5C0FuL+tDzx6lQm6qU/AxmFfGKJJuayVcgGp4teX1aLhltHyj/P4w6OhmKm84hw9EUvqBFBtk1WnpHGYnkGCQ==
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

2026-09-17T09:51:24.037845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087137
observed 14ff816499976e66313de871f9802bcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:24.019465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087137/manifest.json
observed c4577cffaecf824e358bb9f9a849744c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:24.002728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087137/publication.md
observed 150b0b0d929b4d51b931a644d872f643...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:23.985649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087137/publication.txt
observed 935560eb33f5d0a1ce2116b6321309c2...
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.