OpenTechnical

OT-2026-000049835

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum 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-2026-000049835) never changes.

Identity and time

Publication numberOT-2026-000049835 · never reused
Internal UUID01a0ae81-8ff0-7e88-8e0e-f704698895af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049835
StatusPUBLIC

Content hashes

Canonical text8cb03c4e397879345153e89d90a35a80bf1d821ddba7bac5c5d6c99e75500b27
Markdown0e9c93fc092ecb749a2536ee366db97582b7aaedb663460b89f2ad5eb2934659
PDF
Publication page06ec0cc2723c7d32abcfeea981bc9e86ecc473e62dce6786103f781e9a6efef8
Manifest0b5e0ea095106498fbcfab8114dc4d56c49b14c536b8e58771016eb704a383a4

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
SignaturexvdCXcxWDMbaBkXdAjK/onOAQuK5P35edef/dellhh4hu1LgC6lVxTCRtTi7VRPXh/HZsCkrUViB6FVECA8UBQ==
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

2026-09-17T11:02:58.350828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049835
observed 06ec0cc2723c7d32abcfeea981bc9e86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:58.331940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049835/manifest.json
observed 0b5e0ea095106498fbcfab8114dc4d56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:58.313507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049835/publication.md
observed 0e9c93fc092ecb749a2536ee366db975...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:58.292382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049835/publication.txt
observed 8cb03c4e397879345153e89d90a35a80...
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.