OpenTechnical

OT-2026-000057063

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000057063) never changes.

Identity and time

Publication numberOT-2026-000057063 · never reused
Internal UUID01a0ae87-d5b7-74e1-a687-73b339eddbb2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057063
StatusPUBLIC

Content hashes

Canonical texte613b817d3d86c7c08fa27680fa648286de4b523e401635821e122a016df1a0a
Markdown1688bd7585c181097afd256a105c1968c60f25742371af6592eca25cc4d13af1
PDF
Publication paged8cf653ab25826b0dae1bd7e2cbb20dc8f470a246a1e4f3817aa8e62d69a898d
Manifest13cc4e1f48c2c67270413327e83181be265a4192233dd71871f668f053180071

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
SignatureDMPQq68+HUbpSHYtGpqR+RQvL/I+0i+eDGgVB1eqN3zocAXJ1NRyNNADgU2UWHkzS7LnBQwYY6fzbdKq6kkKCw==
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

2026-09-17T10:48:33.198608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057063
observed d8cf653ab25826b0dae1bd7e2cbb20dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:33.181236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057063/manifest.json
observed 13cc4e1f48c2c67270413327e83181be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:33.164413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057063/publication.md
observed 1688bd7585c181097afd256a105c1968...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:33.147862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057063/publication.txt
observed e613b817d3d86c7c08fa27680fa64828...
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.