OpenTechnical

OT-2026-000082171

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, 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-2026-000082171) never changes.

Identity and time

Publication numberOT-2026-000082171 · never reused
Internal UUID01a0ae97-4d93-789b-95ac-9c7e7e1d557e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082171
StatusPUBLIC

Content hashes

Canonical textedd9ba211da2e5c9bc7cbe803f02fcd65cbe1f45644a7a717dfa2e46bf8fabf5
Markdown032bcfd22c04312cba23e905cc42d874d0eb675d4276e36a36f55c20f682dfb8
PDF
Publication pagefe6ef8956cbd0e0211d143708ae7c2f85758f9cdacfc1095f2f92fb55440f051
Manifestb87674af2d359cd45b7a1b08320cbaab2e35ab9b72459527afd64bff67de7ab1

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
SignaturejCXHrDTgehivsHAM26PQDcJXSLM/7VC5XXLXos34z3B0816D/DPS0REJAmwPeYiAOVr/9f90c78DnsWmxpIAAA==
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

2026-09-17T09:58:59.832212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082171
observed fe6ef8956cbd0e0211d143708ae7c2f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:59.813447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082171/manifest.json
observed b87674af2d359cd45b7a1b08320cbaab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:59.795268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082171/publication.md
observed 032bcfd22c04312cba23e905cc42d874...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:59.776661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082171/publication.txt
observed edd9ba211da2e5c9bc7cbe803f02fcd6...
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.