OpenTechnical

OT-2026-000032631

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, pulsed 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-2026-000032631) never changes.

Identity and time

Publication numberOT-2026-000032631 · never reused
Internal UUID01a0ae75-1070-728f-98d5-f170152cee53 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032631
StatusPUBLIC

Content hashes

Canonical text552fbf5d958cbeae8815ccc6775f86c4a2fa4d1363bcfd45bb3b0ea49be04fa7
Markdown1e0a86b4b725db09acf094ed882d536ce885f788ee2d957614c7f70698936c32
PDF
Publication pagec1ad42cd57be1a63de841cffa4819febbc26115dfc3accd3ecbe38222b5743a5
Manifest0b0925389bd48ceb0a603b9fc3973dd273e3b696b18502de3101cab10704e9b3

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
SignatureSvMUFucjBYz3zgLkKVf1gGCXPYtB16ljkxUlWfKEOCUnXiPKRSn3xXeD5aHugtKkTiIhBbe0eBrZdbyUvSZ8Aw==
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

2026-09-17T11:34:13.213390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032631
observed c1ad42cd57be1a63de841cffa4819feb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:13.189453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032631/manifest.json
observed 0b0925389bd48ceb0a603b9fc3973dd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:13.172503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032631/publication.md
observed 1e0a86b4b725db09acf094ed882d536c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:13.147836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032631/publication.txt
observed 552fbf5d958cbeae8815ccc6775f86c4...
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.