OpenTechnical

OT-2026-000023057

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000023057) never changes.

Identity and time

Publication numberOT-2026-000023057 · never reused
Internal UUID01a0ae70-46ec-7d11-bcd6-25212a4bea04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023057
StatusPUBLIC

Content hashes

Canonical textf040d2539f2ec7ae094f3a35fca2b312d8cab7e1087e2325c30881e3b17bc2ee
Markdownafb15b2d84e54071048c1b860aa36d70319caa3be756d604455c4dae1813dd99
PDF
Publication pagec5c3dcde25df4f43f711f2969d2654ea796b1f814e44e7f5063ba03c4244b4a1
Manifestd48ba39abb9af3736c34c4434050bfdbb1b1625671f2d4b13505cedf15986598

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
Signature5SFUIybIISnV7bi9TFDbqLWQFDuLkcBofZpa2b1tc/HXkp7p555PKck4cWloMp6Mhi9ItW2PIUAcQppra0i1DQ==
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

2026-09-17T11:52:39.926073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023057
observed c5c3dcde25df4f43f711f2969d2654ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:39.906908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023057/manifest.json
observed d48ba39abb9af3736c34c4434050bfdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:39.888531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023057/publication.md
observed afb15b2d84e54071048c1b860aa36d70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:39.868864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023057/publication.txt
observed f040d2539f2ec7ae094f3a35fca2b312...
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.