OpenTechnical

OT-2026-000016743

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two 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-2026-000016743) never changes.

Identity and time

Publication numberOT-2026-000016743 · never reused
Internal UUID01a0ae6e-5918-782b-b59d-370e51e04631 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016743
StatusPUBLIC

Content hashes

Canonical text40f1296bc365f2783836368848f0ebfeb70942fa4be851377b60b6e5af2a7902
Markdown33b0e35ab4228d5b2e0fdd672ccab46ecbeef98277650b1ef5fa3e4d683fd211
PDF
Publication page4601a44f5819b5b11c71138107b7d266fd203775a10c46e5e81f1b76d03ae1e8
Manifest6ab5c6c1599dfd3be7ec23ca8c50040aa06d3f99212e86fb98d600c1bda568b4

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
SignatureNW7/HjA6paAKodsh/sBcfvPUN2nCMhJ1ybhrfQ5qyzbd8/Q6ZymgWYIhCad0RSYE/upOistXIZQuFojdqF1WDA==
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

2026-09-17T12:02:58.537412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016743
observed 4601a44f5819b5b11c71138107b7d266...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:58.519981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016743/manifest.json
observed 6ab5c6c1599dfd3be7ec23ca8c50040a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:58.502738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016743/publication.md
observed 33b0e35ab4228d5b2e0fdd672ccab46e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:58.487661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016743/publication.txt
observed 40f1296bc365f2783836368848f0ebfe...
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.