OpenTechnical

OT-2026-000075972

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000075972) never changes.

Identity and time

Publication numberOT-2026-000075972 · never reused
Internal UUID01a0ae94-2a00-7e37-aa26-58f4569bcc3c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075972
StatusPUBLIC

Content hashes

Canonical textbff0da23166f37dbe72ed6e11ce3d699998d250c42c00b614d777f056f885335
Markdown5392acd8be220d703c6c30f504a5793fbd3fdadf25a803e362a3cc7921ecc542
PDF
Publication page8a00533853f206cd31f7e9c5170ddd5537ec14bf692957ad50f6cf648583b8bf
Manifest835f506783ea6c57b3a8eac7699aa5eb2bca5d78281aa363156c496e1df515d6

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
Signatureh0dZWAvXho8+5CmqmWFKnZY9JMaHnl/FcdhAiHya8NvMPtvnNpyc30whgZMdXxzoRTMmosWh/1b2abJJpBs9CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:12.721413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075972
observed 8a00533853f206cd31f7e9c5170ddd55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.703274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075972/manifest.json
observed 835f506783ea6c57b3a8eac7699aa5eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.685266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075972/publication.md
observed 5392acd8be220d703c6c30f504a5793f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.667168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075972/publication.txt
observed bff0da23166f37dbe72ed6e11ce3d699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:59.703683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075972
observed 8a00533853f206cd31f7e9c5170ddd55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:59.561354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075972/manifest.json
observed 835f506783ea6c57b3a8eac7699aa5eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:59.540348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075972/publication.md
observed 5392acd8be220d703c6c30f504a5793f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:59.521714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075972/publication.txt
observed bff0da23166f37dbe72ed6e11ce3d699...
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.