OpenTechnical

OT-2026-000008198

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000008198) never changes.

Identity and time

Publication numberOT-2026-000008198 · never reused
Internal UUID01a0ae6a-908c-7434-804f-50ce6ced637a · 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-2026-000008198
StatusPUBLIC

Content hashes

Canonical text8dbfb8fba91cf10bec8d9a05c737d7364357ebf1557f37279d583f1151a49180
Markdownb01f4cca78a250f58b4b892fd12523c7a0ade3eef9f0b18e15bf3dda448036f5
PDF
Publication page404bc50d1b0178d9c1fe28519f582b68669fcbaa33fe9a051efa167d03198aac
Manifestbe639437d0e4ee03eb329e7b35f5687049e405a09123b853cc70b4a4ef985213

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
Signaturer7GMNEDvIsOR16DAwnOMjlbmQMNqWLCKKxvrcGC1SPdooRoUqc8TVF5fvlKtG8aCCkcencfWIjUJcsE+Hak6DQ==
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

2026-09-17T12:20:36.034994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008198
observed 404bc50d1b0178d9c1fe28519f582b68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:36.011092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008198/manifest.json
observed be639437d0e4ee03eb329e7b35f56870...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:35.987401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008198/publication.md
observed b01f4cca78a250f58b4b892fd12523c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:35.962077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008198/publication.txt
observed 8dbfb8fba91cf10bec8d9a05c737d736...
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.