OpenTechnical

OT-2026-000023526

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000023526) never changes.

Identity and time

Publication numberOT-2026-000023526 · never reused
Internal UUID01a0ae70-7269-7876-a880-9ee2fdd06efb · 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-2026-000023526
StatusPUBLIC

Content hashes

Canonical text4d2f2cf69e29edb605c13489ef3f6dde11f7d8aa30c86f633cfdacddcd2fcf70
Markdownb5728fb3bc2b5a84cc66815eabfdce198a8b2320b76786fb20529b69b70c3e68
PDF
Publication page2bd59df75f765201d3582c984eb6de6a316596fe2190beb5aa5a6ab9397abfaf
Manifest1dcad45749e26cc39772e4a605e510038e4768319c5d7dc7f9c9cb78c2a3a897

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
SignatureIXgQLVyjlgD6M4dy4E43yYKs8Ji6hQOjSD2SwQvwhvDXTdK1oGyAOdPZRjZ/EpRqW6zeRJZaPW969gWobI3xAg==
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

2026-09-17T11:51:46.166045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023526
observed 2bd59df75f765201d3582c984eb6de6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:46.146642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023526/manifest.json
observed 1dcad45749e26cc39772e4a605e51003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:46.127502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023526/publication.md
observed b5728fb3bc2b5a84cc66815eabfdce19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:46.109141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023526/publication.txt
observed 4d2f2cf69e29edb605c13489ef3f6dde...
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.