OpenTechnical

OT-2026-000007864

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line 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-2026-000007864) never changes.

Identity and time

Publication numberOT-2026-000007864 · never reused
Internal UUID01a0ae6a-908a-73ac-ba63-c41a0c9fa1b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007864
StatusPUBLIC

Content hashes

Canonical text824c3d8e448a543365cdf0ce106d2e3ff72835e37ea5b269f680dc12badd6d1d
Markdown2b2e5b06e7abde8525ea9681fedef86bfda35b745a259b5f37223426112c4d91
PDF
Publication page5766fe499b9a3dd091955bf3bcdc154c3d95618530718705ff4dc7187c3816d6
Manifest4a16ad9bc83331007e58394f62430402e1cdda06487a96b1c518944e5eda98a3

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
Signaturez4l1LTxIDvJIm5hUt5DbXen7T8iDwh8Rg6bSF6E3KQnF2NxNUsbJUpwpVwIVCnWW8+NxBNUc+nzLzUUpE3vuAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:07.746424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007864
observed 5766fe499b9a3dd091955bf3bcdc154c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.726783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007864/manifest.json
observed 4a16ad9bc83331007e58394f62430402...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.708531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007864/publication.md
observed 2b2e5b06e7abde8525ea9681fedef86b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.691944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007864/publication.txt
observed 824c3d8e448a543365cdf0ce106d2e3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:47.025232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007864
observed 5766fe499b9a3dd091955bf3bcdc154c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:47.001591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007864/manifest.json
observed 4a16ad9bc83331007e58394f62430402...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:46.981681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007864/publication.md
observed 2b2e5b06e7abde8525ea9681fedef86b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:46.959973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007864/publication.txt
observed 824c3d8e448a543365cdf0ce106d2e3f...
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.