OpenTechnical

OT-2026-000033794

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, pulsed 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-2026-000033794) never changes.

Identity and time

Publication numberOT-2026-000033794 · never reused
Internal UUID01a0ae75-a391-72ed-b9f3-ea98b5044674 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033794
StatusPUBLIC

Content hashes

Canonical text01a77036d1567726e6301cb3aa651c764d78ac11d6ab6b704d7a9fa548e98d54
Markdownbd605fa6ccec4f06ee309c92cfcabd05f66619eb755733f4e6e563b97a7f8d4f
PDF
Publication page430a265a293eb6f3866917a6d8eeeabc5511edb7392ecdd02f53e7c5b1b996c6
Manifesta676e2b36d36bcb006edfa8a87d0b2c3c0133f77f0f82822428ccd98aaf29868

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
SignaturerU2is0dw3lmrX0Nip6XA2PKWERGljKnILw99uJ9TYap5+8A6H3gKmZL2qrgsKL1AY9IG2kjPYpRJOA5OgL1lBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:31:50.154740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033794
observed 430a265a293eb6f3866917a6d8eeeabc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:50.134813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033794/manifest.json
observed a676e2b36d36bcb006edfa8a87d0b2c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:50.117337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033794/publication.md
observed bd605fa6ccec4f06ee309c92cfcabd05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:50.097507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033794/publication.txt
observed 01a77036d1567726e6301cb3aa651c76...
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.