OpenTechnical

OT-2026-000052756

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, 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-2026-000052756) never changes.

Identity and time

Publication numberOT-2026-000052756 · never reused
Internal UUID01a0ae84-a42d-70c1-958a-0fe5788beb4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052756
StatusPUBLIC

Content hashes

Canonical textbb68ca4fa8fa410b7e0299598c2f19e8e0a1c7171bab52cc0f90fd65566a6911
Markdown952c4da985b87e628f87bed3b98392097cc760335e92a6fe2b289eb8976e73ee
PDF
Publication pagefccf9266a8995b812fa93dcf6f496cf85e8672e758522afb83936f854e5bf1ff
Manifestc93e02536bbe5f72192767a52b7a443ad2ff058d93ed9720492aa04fa305484d

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
SignatureoUPlNZF0l1y5t9TUi+oD57KkiNVcT8oEcADl+0mdHThAOzEb+iqVkZZwz1C57EsUozavZOSfcKABRto9ZP/EAg==
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

2026-09-17T10:55:45.586627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052756
observed fccf9266a8995b812fa93dcf6f496cf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:45.566867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052756/manifest.json
observed c93e02536bbe5f72192767a52b7a443a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:45.546850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052756/publication.md
observed 952c4da985b87e628f87bed3b9839209...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:45.528275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052756/publication.txt
observed bb68ca4fa8fa410b7e0299598c2f19e8...
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.