OpenTechnical

OT-2026-000023547

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000023547) never changes.

Identity and time

Publication numberOT-2026-000023547 · never reused
Internal UUID01a0ae70-7269-7afe-b2cd-fc0d84613741 · 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-2026-000023547
StatusPUBLIC

Content hashes

Canonical text0a5bb67a04f7d9fbdc5069425a41b4c6e82f614232ba43cbb108c26b3cc9b695
Markdown43c3669179630c9f6b38023bb21237588561f840b7c6c046244ed429fd5dae33
PDF
Publication page04a3ef6470472165375024d711839919c1a12dadc82a79d0fa9aad72ee820a45
Manifest8904de87618f9bb032fdf3513c0e5101a90dee0062e06c7e81681fbb09087b18

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
SignatureTl0GtCbdLFLqriWPQhOC+ybG3hByHw+tdILDEJNwDMsjiyiuwK6PYCj3KEOoAqTh7/AXfRfM2ZNgOKInNs60DA==
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

2026-09-17T11:51:53.434689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023547
observed 04a3ef6470472165375024d711839919...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:53.413751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023547/manifest.json
observed 8904de87618f9bb032fdf3513c0e5101...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:53.394944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023547/publication.md
observed 43c3669179630c9f6b38023bb2123758...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:53.375161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023547/publication.txt
observed 0a5bb67a04f7d9fbdc5069425a41b4c6...
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.