OpenTechnical

OT-2026-000051746

Publication integrity record

Foam pad vacuum gripper, two stage ejector, 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-2026-000051746) never changes.

Identity and time

Publication numberOT-2026-000051746 · never reused
Internal UUID01a0ae83-7c83-7346-9eef-5bdc3d57a63e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051746
StatusPUBLIC

Content hashes

Canonical textd0ae215e1f9d96f59962440e29eab15bbd36e78f971e6adb960570fdf2caac36
Markdown79dccc4d88edaaa943c824879fdbd7f337df9da43f1807bd566087a6a5d595ef
PDF
Publication page2b7c9913a91e548f3507dab20751f2e60726dfd14a42de530c02a40ef106c386
Manifest06e602b3941e75dacab70e7cbcdf7f503cf76c9bf2e2bcc6bc70f79cb10ffeda

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
SignatureFVV2Voob81gLa1f7ym73voYXHK21Y+1ZL9RMhbEwDT/6ZG0ZHoBHL96A3fAR4bzT1RLMu79ik/1dUnOH9YwkCw==
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

2026-09-17T10:58:38.574675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051746
observed 2b7c9913a91e548f3507dab20751f2e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:38.555942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051746/manifest.json
observed 06e602b3941e75dacab70e7cbcdf7f50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:38.536571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051746/publication.md
observed 79dccc4d88edaaa943c824879fdbd7f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:38.520519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051746/publication.txt
observed d0ae215e1f9d96f59962440e29eab15b...
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.