OpenTechnical

OT-2026-000100847

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000100847) never changes.

Identity and time

Publication numberOT-2026-000100847 · never reused
Internal UUID01a0aea3-66f5-708a-88d0-66a7c3ea5a95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100847
StatusPUBLIC

Content hashes

Canonical textb9f2898d9e4d0379775e64c6fe9680af35f6c55be08c043691c8640aa62ba5be
Markdown8bb2d14a351b6c96418821da979a655b855d9231ee7f13876f18061c531ac2c0
PDF
Publication page7e1f07425dccc4103a47e92d0ae309d13f618bb9a4cab67ef6e4a73d79b91e6f
Manifestb462cc20f27536d6b49b70f4dc354dfc01d3569c98c53d0755c14e38b1843ef6

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
SignatureBIyHb/lY70pOTUs8lU9AP/Sy4EA/V6OvMrrlNF/pOMpRCMvM+fCIv+W4Qh9MSN6GqXdh6kftPFPyzylZgVD0CQ==
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

2026-09-17T09:27:46.485939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100847
observed 7e1f07425dccc4103a47e92d0ae309d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:46.468855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100847/manifest.json
observed b462cc20f27536d6b49b70f4dc354dfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:46.450458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100847/publication.md
observed 8bb2d14a351b6c96418821da979a655b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:46.431630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100847/publication.txt
observed b9f2898d9e4d0379775e64c6fe9680af...
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.