OpenTechnical

OT-2026-000033562

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000033562) never changes.

Identity and time

Publication numberOT-2026-000033562 · never reused
Internal UUID01a0ae75-a38e-71ed-871a-1bb58d043096 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033562
StatusPUBLIC

Content hashes

Canonical text42080f4a1ad9e79a2305264ee0a29623fb9210dc50ac5f574cd6fe7abde42a73
Markdown64830e8668de5b9fba19dadd281c3f5c37195b1caea3e59db8ea7a1fcca4441d
PDF
Publication pagebfc217bb0ad77f22793c320fe13d9df1cbeea5f2fc6624bdddcab590bd3f5497
Manifest4d853a3f25b2cbde5e046d30c3e3a357d8bbb25df85a442c3f129660458d713a

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
SignatureOoGJIMbW4ckIbBc2AqvHX13V8+oh7KjMLeXH7GVX0Isi/iToUgX+kuzqa77EiUruzU56Xib3NIZ2HKXrueLZAA==
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

2026-09-17T11:31:25.826227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033562
observed bfc217bb0ad77f22793c320fe13d9df1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:25.807538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033562/manifest.json
observed 4d853a3f25b2cbde5e046d30c3e3a357...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:25.787862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033562/publication.md
observed 64830e8668de5b9fba19dadd281c3f5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:25.767651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033562/publication.txt
observed 42080f4a1ad9e79a2305264ee0a29623...
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.