OpenTechnical

OT-2026-000026979

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, pulsed 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-2026-000026979) never changes.

Identity and time

Publication numberOT-2026-000026979 · never reused
Internal UUID01a0ae72-3453-7180-9d4f-c0992ccf1952 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026979
StatusPUBLIC

Content hashes

Canonical text21f003257bc7e0d63a1d25655fb20e3d9f697e9b38b9fb033c3de0c3283365ea
Markdown788495a1b94d1cd7ae52af9f944a29ce11aa556a353d0f9c68c8df6ecc39e7f0
PDF
Publication page05ce676bf399f225f3cc35224f3c17380e6a3910b521b94d0fd72b88878fef4b
Manifest4110069d0ac66af1ef81bd2174f157f075fe25a641fb23bf2f16c40c46833c73

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
SignaturetdKfoGCkfWKGkgBFwt2Oh0gGfF5E4plXownbGOTJuT0c1+TE/1WgrIkPE7RbUwUU5B+HscOBKtdIKcCPjuNjBg==
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

2026-09-17T11:43:36.305515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026979
observed 05ce676bf399f225f3cc35224f3c1738...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:36.289224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026979/manifest.json
observed 4110069d0ac66af1ef81bd2174f157f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:36.270556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026979/publication.md
observed 788495a1b94d1cd7ae52af9f944a29ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:36.251090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026979/publication.txt
observed 21f003257bc7e0d63a1d25655fb20e3d...
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.