OpenTechnical

OT-2026-000049064

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000049064) never changes.

Identity and time

Publication numberOT-2026-000049064 · never reused
Internal UUID01a0ae81-134d-74ce-b9ae-b167c640fc10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049064
StatusPUBLIC

Content hashes

Canonical text364b3b354294e393f11989525c1c6d1d75f2604f3b0a0689a3317650c7d6a56a
Markdown7ac16a6682bc364a67ad5902c52fbe973b70ce4ee50970b2c764bc36f27127fd
PDF
Publication page9f728d9fadd134ce189ab6c52414a3b63451f23ca64d2367eccf47d3b4e8afc2
Manifest2a43445db16d8aaf88553a6d114d05545806c31601102867ef7e2cd23a71142d

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
SignatureWzqK/lma62374z7FdBwRY10LCb5cgL4DkyK2zerp5rSgBNChagj9wiCkjrX1eJyVyj8kQe2okHxoI7wvtXckBg==
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

2026-09-17T11:03:17.828498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049064
observed 9f728d9fadd134ce189ab6c52414a3b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:17.809160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049064/manifest.json
observed 2a43445db16d8aaf88553a6d114d0554...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:17.791619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049064/publication.md
observed 7ac16a6682bc364a67ad5902c52fbe97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:17.771612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049064/publication.txt
observed 364b3b354294e393f11989525c1c6d1d...
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.