OpenTechnical

OT-2026-000047814

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000047814) never changes.

Identity and time

Publication numberOT-2026-000047814 · never reused
Internal UUID01a0ae7f-c420-7f7a-afe7-d72ce2bdfbe1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047814
StatusPUBLIC

Content hashes

Canonical textfec1ab465957d52ffcc83a485ccd7b181f3ecd4310a1ec4ad52064389bd01588
Markdown1661a878d43c7643676217c3a509b50a5788120e92ac17efd563a3cb58d2900d
PDF
Publication page200f1f7e7410b5b3b498d7bd5cdaae45ed25511a6531d462d20ed86e60725d4d
Manifest11be5d5f8977a7e40e8d6d3ab353bc5aa80fc8763aa605d2f032439fbdd45c59

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
Signatureq2dpG/GcjPsKp+U0Fm0W1ClgyMhcbQbQS0pE+KIY1epShwbA3P+MjrVqtoNAjVrXkbACnRoUvcuu1GyIjZ9ACA==
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

2026-09-17T11:05:43.220052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047814
observed 200f1f7e7410b5b3b498d7bd5cdaae45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:43.201836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047814/manifest.json
observed 11be5d5f8977a7e40e8d6d3ab353bc5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:43.180150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047814/publication.md
observed 1661a878d43c7643676217c3a509b50a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:43.161377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047814/publication.txt
observed fec1ab465957d52ffcc83a485ccd7b18...
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.