OpenTechnical

OT-2026-000054442

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000054442) never changes.

Identity and time

Publication numberOT-2026-000054442 · never reused
Internal UUID01a0ae86-1282-79c6-b062-5a594f4082cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054442
StatusPUBLIC

Content hashes

Canonical text6a2f8a8bf005abcbe70d81bb1780664572c53e4573a52154d37cb8c9f65e30da
Markdown24649e131f1a26e1d4d4d659231ca1fd9e43398dca857559c9841b6cc68de83e
PDF
Publication page3f98b6ae0e2c3533dfacb51d2dddb48729fea62eb5f782e62f6ad8e409758412
Manifestbb39525e0cd8164a8106fc6241a35dc5ebaf098a4636cffc130a50cd01fe38e1

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
SignatureK9hmzATHILDARIcBAaIMLu6kfGCLBCtS5fGAuDjbyrhs3wd8Q9wFsKewNMQVCgR7nYBHmETResbQjWRjj+mbCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:25.712590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054442
observed 3f98b6ae0e2c3533dfacb51d2dddb487...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:25.695604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054442/manifest.json
observed bb39525e0cd8164a8106fc6241a35dc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:25.677385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054442/publication.md
observed 24649e131f1a26e1d4d4d659231ca1fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:25.659325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054442/publication.txt
observed 6a2f8a8bf005abcbe70d81bb17806645...
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.