OpenTechnical

OT-2026-000103705

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two stage ejector, 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-2026-000103705) never changes.

Identity and time

Publication numberOT-2026-000103705 · never reused
Internal UUID01a0aea4-e462-71e0-ad19-ff4d1661f7f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103705
StatusPUBLIC

Content hashes

Canonical text985ce6dbb28a510e74fb9339506cb0e1db9e2bc205230d7ab0b36f60224cada1
Markdowne1d376331aad25042f947a70350a3c7ac7ce607f5e1c56835cbd6667a86c34c1
PDF
Publication pageacb7a082f6bd66d7ac3c3a7823209da9419b0abe6043ba678106197a1292cc3a
Manifest9ae2d3621dd265d1e6d92a651742fc56ff167cd149e2338981b6df7dcb596728

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
SignaturePb8MSVXlULSY4dsCgLmE7rvb83h+Xo6eGsFWQrbgddl6KsOLZkWLO47XG4ap8LcyTNT9ah5iM0h5Kz/FfqdKDA==
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

2026-09-17T09:22:30.755953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103705
observed acb7a082f6bd66d7ac3c3a7823209da9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:30.740044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103705/manifest.json
observed 9ae2d3621dd265d1e6d92a651742fc56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:30.723825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103705/publication.md
observed e1d376331aad25042f947a70350a3c7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:30.706305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103705/publication.txt
observed 985ce6dbb28a510e74fb9339506cb0e1...
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.