OpenTechnical

OT-2026-000027196

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000027196) never changes.

Identity and time

Publication numberOT-2026-000027196 · never reused
Internal UUID01a0ae72-3454-7315-beea-3eea6ce3be77 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027196
StatusPUBLIC

Content hashes

Canonical text707f5629519ccb7fecbab568948816637cb63b45abb644a12028446f3be1f817
Markdownf71fd81768ee9932640db2e1005279640a54ae77ab906036f3fa9af858c35d4d
PDF
Publication paged8e5a8cd49c6a3cbb00c440a1507f6d61c2b5979ac8e76f57d9d007d1288f39b
Manifest4fdd9a1873e4734dcead85c134e75566f5787ebd3eede3d92f82b64b77e7add5

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
SignaturevZ33/QX8KcZ6QgBQpHCnd6ESkhHCdIKgWyTu2O4bVocwqHwP+8yCFJQJbL+mB8wNJU8v1MgibNVrb/hdHuvSDw==
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

2026-09-17T11:44:05.139287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027196
observed d8e5a8cd49c6a3cbb00c440a1507f6d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:05.113106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027196/manifest.json
observed 4fdd9a1873e4734dcead85c134e75566...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:05.097656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027196/publication.md
observed f71fd81768ee9932640db2e100527964...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:05.080209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027196/publication.txt
observed 707f5629519ccb7fecbab56894881663...
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.