OpenTechnical

OT-2026-000027405

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, supply line 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-2026-000027405) never changes.

Identity and time

Publication numberOT-2026-000027405 · never reused
Internal UUID01a0ae72-6997-7a42-aa06-625ceabc5ce7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027405
StatusPUBLIC

Content hashes

Canonical textc074f0e9ccb34dfef115a41cebf02c323ec063e336718d646dd9c7340e44a47c
Markdowne4870405ad08b36eab06585b4d95656cd12ac3009c18093536623b1387920b83
PDF
Publication page46e03c4363b5572e16c6d901447e3fde80f79ea1c066d534b8788f36c9f6a5c6
Manifest97ccac80b6b5f032a8b175cfc1f8914119bfcce7e9a028ee3ce42efb8c528572

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
SignatureV3dOA4L+1XmgdakXbF3hy19q5lbIfadprPp+5YrLNszohCRDYBx2C/FIjeleI69TvSNovTf9EoQ4KV6M9vnDDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:42:49.821493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027405
observed 46e03c4363b5572e16c6d901447e3fde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:49.805350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027405/manifest.json
observed 97ccac80b6b5f032a8b175cfc1f89141...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:49.789022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027405/publication.md
observed e4870405ad08b36eab06585b4d95656c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:49.770082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027405/publication.txt
observed c074f0e9ccb34dfef115a41cebf02c32...
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.