OpenTechnical

OT-2026-000052410

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, 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-2026-000052410) never changes.

Identity and time

Publication numberOT-2026-000052410 · never reused
Internal UUID01a0ae83-e792-73f0-96ff-e7378821a466 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052410
StatusPUBLIC

Content hashes

Canonical text2daab3f4d31d4a3051a56db445b1838fdfaa6447f31c8901a88cf22192c3ee93
Markdown51d8c7a898cf33bc386d010318f6ab26cf976a903b22ab5838016c178b43c9af
PDF
Publication pagea66f2bddd657a2f856e9abf549bc4457b6773230fd394b2d9b5b3df1f14f6963
Manifest3fe55c4eef26e26cb78c564c846ddbc932b9dd8d24ef8f4e7a1780f6f3fea617

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
SignatureoIREsfHRVSqoO19d05VUgkNKaIh+clMxHfhU8cl5iiIpnwaaYai9BGQ62JbmIcPK7V17aj3S/QJC1ughAFmxAA==
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

2026-09-17T10:58:07.216495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052410
observed a66f2bddd657a2f856e9abf549bc4457...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:07.199180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052410/manifest.json
observed 3fe55c4eef26e26cb78c564c846ddbc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:07.182552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052410/publication.md
observed 51d8c7a898cf33bc386d010318f6ab26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:07.165565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052410/publication.txt
observed 2daab3f4d31d4a3051a56db445b1838f...
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.