OpenTechnical

OT-2026-000023126

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, 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-2026-000023126) never changes.

Identity and time

Publication numberOT-2026-000023126 · never reused
Internal UUID01a0ae70-7266-7871-bfa5-de6f76a580f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023126
StatusPUBLIC

Content hashes

Canonical text2a9112120ff5249345e3a49770fe79566a3cfc9891c3e06386bb726515205899
Markdown3918edffd0ac1e22ca5e136527d39af0f4da5c470a2ce6c08ed6809d55bcf307
PDF
Publication pagec3952f9017f4a8ff4f861ca5af2dd36e5e1c495f19c6ee5b5e5e8135fd8518f7
Manifest1db8170da35e6fee0bd941f4e0e0843ff043d975e56d5a5026a07d691b76fc33

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
Signaturev7M8DviG15AmSRQchQsjgK6qryBPhSM/rp5g57Tv/BuhycQnvIbBukKDxAkOjVrnuLpYhGxT8e0MLKv7PU2uCA==
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

2026-09-17T11:51:03.307603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023126
observed c3952f9017f4a8ff4f861ca5af2dd36e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:03.288836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023126/manifest.json
observed 1db8170da35e6fee0bd941f4e0e0843f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:03.269381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023126/publication.md
observed 3918edffd0ac1e22ca5e136527d39af0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:03.247498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023126/publication.txt
observed 2a9112120ff5249345e3a49770fe7956...
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.