OpenTechnical

OT-2026-000027108

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three 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-2026-000027108) never changes.

Identity and time

Publication numberOT-2026-000027108 · never reused
Internal UUID01a0ae72-3454-7a26-892d-dfbd33991003 · 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-2026-000027108
StatusPUBLIC

Content hashes

Canonical texta88efdfbafd47bc554be13624a1e996bb664a47dd1d9205b4ee7f39b6c0215fc
Markdown3b03c9372d6bd3e819b47ecc6d9aa317bf6e0c634a068036ae23feef4e864527
PDF
Publication paged68926ca2b8b04a7fe043cb81bdec814113eacdc0fc49e2b49b7529b96d61ee2
Manifestc18cbf35a0f033174a28075a74d42af2c4b2bafee021c891214769bba4083838

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
Signature8DwMLq0DkWOAW4ASUi/W18c+4ZXRVLitC1yFjPF8ZvSpsUkMrs7gUQphhl7zVZ0TCaPnIiwo5tBNOeq5JPlSDg==
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

2026-09-17T11:43:52.719269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027108
observed d68926ca2b8b04a7fe043cb81bdec814...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:52.702692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027108/manifest.json
observed c18cbf35a0f033174a28075a74d42af2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:52.686800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027108/publication.md
observed 3b03c9372d6bd3e819b47ecc6d9aa317...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:52.671231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027108/publication.txt
observed a88efdfbafd47bc554be13624a1e996b...
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.