OpenTechnical

OT-2026-000085196

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, sustained 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-2026-000085196) never changes.

Identity and time

Publication numberOT-2026-000085196 · never reused
Internal UUID01a0ae99-43ba-758f-a0b8-2ab1025a0a6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085196
StatusPUBLIC

Content hashes

Canonical text1f0498dcbca737d407c554bdf972ac1ae34c3715e937a7d55a6b95bb292299e4
Markdownb9792fb83084b05b00ae1b027d9fed3163087b0dd4ceddf66822316f1bfb8c9e
PDF
Publication page5ad2a705faa948447f425be2707a5533dbef2cc214b8e9ccfa802bc0822108cf
Manifestd02590633a69012e993e4346e0c8daf6f8f3ea6cd22961bcbde799cf8013530d

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
SignatureZv/gaYNEAvODK1qKFtF2pRB2uJ4z8AuFcBsHWrhBkq34n5WGlXkEytWSqkQA8vNWhmCFsrNFWk0p7InCXy/xBA==
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

2026-09-17T09:55:17.069777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085196
observed 5ad2a705faa948447f425be2707a5533...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:17.050979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085196/manifest.json
observed d02590633a69012e993e4346e0c8daf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:17.033179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085196/publication.md
observed b9792fb83084b05b00ae1b027d9fed31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:17.013825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085196/publication.txt
observed 1f0498dcbca737d407c554bdf972ac1a...
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.