OpenTechnical

OT-2026-000023579

Publication integrity record

Two cup 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-2026-000023579) never changes.

Identity and time

Publication numberOT-2026-000023579 · never reused
Internal UUID01a0ae70-7269-7fff-be92-14cc55a9e001 · 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-2026-000023579
StatusPUBLIC

Content hashes

Canonical text06051d1f321c9f77a2a6bcdda6d0318e08c5d3766e282cba12d90570ff20bcdd
Markdown0f3c1689890526caec3963750a1d44ffbb93c4dd19c836d061e4d54da1cc2f32
PDF
Publication pageb10222cba876397f78ecd2fbdce48031c9fb46995bc7aed6e67f127d2f77b838
Manifesta5a83e7d6ac2aa42c2a4869c38bb3e916f31b279f5a8ed2d1cf5bd9eae4e1c1a

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
SignatureipDSIH4Hgc2eIP+bRYBKuAVlL/J4qij5f3JmF4VDYhd/UiOIEtey5cMt5BC/bggwM8a80CWBVT1BPubsTuoACQ==
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

2026-09-17T11:51:56.107086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023579
observed b10222cba876397f78ecd2fbdce48031...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:56.087129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023579/manifest.json
observed a5a83e7d6ac2aa42c2a4869c38bb3e91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:56.069193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023579/publication.md
observed 0f3c1689890526caec3963750a1d44ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:56.051578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023579/publication.txt
observed 06051d1f321c9f77a2a6bcdda6d0318e...
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.