OpenTechnical

OT-2026-000027312

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000027312) never changes.

Identity and time

Publication numberOT-2026-000027312 · never reused
Internal UUID01a0ae72-6997-76b5-8d66-cf842bdfb66c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027312
StatusPUBLIC

Content hashes

Canonical text83d27448638894d4bc9abd2a279b5d0ab681851a5655f8b24cfa9694b4d67231
Markdowneac0d4c8cf4bf408dfc98b73bd5882eaeb8d89650cede4728832e257043dfbd8
PDF
Publication pagecdb0e24eed93af2caf946ac961abd6451a48e5e23e42d0ba4761b2ac180565b7
Manifestaa3cf9a17e89466fa903839fbae539d2db43955e28474dd2f91e0df7304e8a62

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
SignaturesZbB446A1RV+tsnqIeq/atmPSKJw3NzJpP+aG5Q7mAN0HVA/VvjEbUFIpxIzQPBkgxI8Gu0ho0i1EIMgrXKcCA==
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

2026-09-17T11:42:42.383059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027312
observed cdb0e24eed93af2caf946ac961abd645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:42.366695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027312/manifest.json
observed aa3cf9a17e89466fa903839fbae539d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:42.350536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027312/publication.md
observed eac0d4c8cf4bf408dfc98b73bd5882ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:42.334268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027312/publication.txt
observed 83d27448638894d4bc9abd2a279b5d0a...
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.