OpenTechnical

OT-2026-000054002

Publication integrity record

Foam pad vacuum gripper, single stage ejector, supply line pressure sensor, vented 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-2026-000054002) never changes.

Identity and time

Publication numberOT-2026-000054002 · never reused
Internal UUID01a0ae85-b3a7-7d08-acc1-7cd44a060d35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054002
StatusPUBLIC

Content hashes

Canonical textfc3c968da03ab4ab3ffdb20aa896ffe431ac7938474e41a8346ac3b21838237e
Markdown96cf235fe5ad7663ec673ada5484012c5ad4a324fec6ace107f11365940fd260
PDF
Publication pagee16e3f0054e3c8eabb7fdbf792968548755bae98af527ac916006da0d7a4939f
Manifest2556984bbf33fdfbb999d86f5d66b44fde1b489cd1fb94c9516f3f8790190ef3

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
SignatureJKxa2bnCNtBAEAYyh5Vv7tMfVBi5HwDl5VIGb9q4rXhkAgVCZw/wa6LJoZlVinZ7VVAzOAL8RtgclZjbTvcoCw==
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

2026-09-17T10:54:20.067041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054002
observed e16e3f0054e3c8eabb7fdbf792968548...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:20.038894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054002/manifest.json
observed 2556984bbf33fdfbb999d86f5d66b44f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:19.998778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054002/publication.md
observed 96cf235fe5ad7663ec673ada5484012c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:19.968221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054002/publication.txt
observed fc3c968da03ab4ab3ffdb20aa896ffe4...
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.