OpenTechnical

OT-2026-000069912

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, vented before set-down

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-2026-000069912) never changes.

Identity and time

Publication numberOT-2026-000069912 · never reused
Internal UUID01a0ae91-1860-7b0b-ba00-17e0db70fad6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069912
StatusPUBLIC

Content hashes

Canonical text8fe3b5b1768abef80b51caeab360a2d82d7ef5e206f66741454e0917c95b4966
Markdown6d4961ee84521a97fde989b91d515ad76d0037b4492c77be0a9c6ba7090c1db9
PDF
Publication pageb8a5a501f97ee48c349bcc15d1ac669e2a2eeb2fd25f4d58ac3e7b55a8ba85c6
Manifestd0961517a8c0c8822c522f948b0d9b0afbb7cd01a22b6eabda28cf61526ffcd3

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
Signaturexci1FE6q0ddcWY5sNHtrsu9EPwkT5eRZDmnxH5bW/TGmqiFjzdv8HxqmDOVKPQq2ywB4ZdKUOIJPX0/4VUFuAQ==
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

2026-09-17T10:26:28.748106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069912
observed b8a5a501f97ee48c349bcc15d1ac669e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:28.730178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069912/manifest.json
observed d0961517a8c0c8822c522f948b0d9b0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:28.710484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069912/publication.md
observed 6d4961ee84521a97fde989b91d515ad7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:28.690040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069912/publication.txt
observed 8fe3b5b1768abef80b51caeab360a2d8...
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.