OpenTechnical

OT-2026-000089852

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000089852) never changes.

Identity and time

Publication numberOT-2026-000089852 · never reused
Internal UUID01a0ae9c-428d-75ac-ab10-f5ad5b7f5b2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089852
StatusPUBLIC

Content hashes

Canonical text32f16df6de1906068fb75798b57d45ed5a4a25c38654a7540e9775097e527110
Markdown8994afa1915632f858eb5e27a6178c200894e421f9c2dbe48650d39abdd3d521
PDF
Publication page1ae0e323d6b77a977870b7eba09aa558ff290700215ae77bc2e661a92f4364fe
Manifest7dd655be116bbe0ac54c3d94ff3b8bb47277861ea1f14e9dddd4e75dfbcc2837

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
Signaturewzva2LeKzapyKUCniDTNsrfSu2KoLKpPdeERlppDUYOw5/+Arq9HdbSPhrsuOuMR99yQ8Lfp8BeQE5ryfgEHAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:45:05.926824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089852
observed 1ae0e323d6b77a977870b7eba09aa558...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:05.910200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089852/manifest.json
observed 7dd655be116bbe0ac54c3d94ff3b8bb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:05.890929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089852/publication.md
observed 8994afa1915632f858eb5e27a6178c20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:05.873732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089852/publication.txt
observed 32f16df6de1906068fb75798b57d45ed...
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.