OpenTechnical

OT-2026-000062153

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000062153) never changes.

Identity and time

Publication numberOT-2026-000062153 · never reused
Internal UUID01a0ae8c-0abc-7b24-9b28-5023506e9516 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062153
StatusPUBLIC

Content hashes

Canonical text3a0f0099f9ba23e5f74457ab886696f489c9e3b6f414f4f0e2707f4c3557096a
Markdown8e3efe5b6eabb125e1a111b0ab2479aa920df6829fda5f3ebba4e11d8382dbac
PDF
Publication page3453b0a35bc53cc6b994707b6804bc42c5b2fa4f0f9ed9ee8852bbd3cce7b752
Manifestb6d64d14a7288e14eef874208b15ee8f684e4bda22bab15f5aca4fe787c864ad

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
SignatureZKRtnN6fq0kA8VoSEYNoH1ZvOoeR53A/qflJBe8NO4NMF/6SchS6S+m4uBPOi5l55epf4mznhItifQwaKMW5AQ==
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

2026-09-17T10:39:24.207073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062153
observed 3453b0a35bc53cc6b994707b6804bc42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:24.152114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062153/manifest.json
observed b6d64d14a7288e14eef874208b15ee8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:24.134582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062153/publication.md
observed 8e3efe5b6eabb125e1a111b0ab2479aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:24.078066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062153/publication.txt
observed 3a0f0099f9ba23e5f74457ab886696f4...
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.