OpenTechnical

OT-2026-000098048

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, supply line pressure sensor, 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-2026-000098048) never changes.

Identity and time

Publication numberOT-2026-000098048 · never reused
Internal UUID01a0aea1-92f8-702d-bcea-a9f02af29849 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098048
StatusPUBLIC

Content hashes

Canonical text3cf97ddaf4f025fe01c6bccd49217421a2828389f09583690098ff02890e293d
Markdownf7e675ece97e1b35a6eab1682c38f001731a7d5d0ca985cf4f751619cde1b45a
PDF
Publication pagee420f74d1e7d51975fae93756c6c545f6540519ab21e8421485cc294ecedd731
Manifest30c5cd5e18f468de009ff365d53bcf4e8f5c652e25c518d779dcd864b662fcca

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
SignaturebPVVqRnxQB9QC3dH+V+On2b8l7lvZ95sy0vfTLlVpw57grem30E+Pa5gdZ/zc7rtmnDdVNaGuJ9LFsRHgsl/Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:13.789363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098048
observed e420f74d1e7d51975fae93756c6c545f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:13.770296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098048/manifest.json
observed 30c5cd5e18f468de009ff365d53bcf4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:13.752309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098048/publication.md
observed f7e675ece97e1b35a6eab1682c38f001...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:13.734397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098048/publication.txt
observed 3cf97ddaf4f025fe01c6bccd49217421...
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.