OpenTechnical

OT-2026-000078849

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000078849) never changes.

Identity and time

Publication numberOT-2026-000078849 · never reused
Internal UUID01a0ae95-ccbd-75fc-bcfa-b153e4fd5dc5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078849
StatusPUBLIC

Content hashes

Canonical text732ad6b48b8a4d0b93a2129187bd1067dc99f77910c1814b69a8cc2956ae839c
Markdown3c5e56cac4d96b952400d3f84fd79f6a32532aeac77e925af9503a4a91b05c6d
PDF
Publication page06e23ce1d4d4fe19b9fa4e376f37726e73aba9e9ad7453498b605b08277159fa
Manifest31bc5d6717f9d113d1a4d812a577b8b472b662dfc13c1c45b8d0153f82a6e7ca

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
SignatureZfksHRWzG2Vb8VTGPBsKBMEi0IsAg5HrC10aHaKwxDU14ucwGDbipyHJkkCT1Nf95ROqvYL2LJzg4OStT/ZvDw==
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

2026-09-17T10:05:38.913910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078849
observed 06e23ce1d4d4fe19b9fa4e376f37726e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:38.895614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078849/manifest.json
observed 31bc5d6717f9d113d1a4d812a577b8b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:38.875783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078849/publication.md
observed 3c5e56cac4d96b952400d3f84fd79f6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:38.856136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078849/publication.txt
observed 732ad6b48b8a4d0b93a2129187bd1067...
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.