OpenTechnical

OT-2026-000080419

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three 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-2026-000080419) never changes.

Identity and time

Publication numberOT-2026-000080419 · never reused
Internal UUID01a0ae96-7e78-7a3f-aa93-36d10dcbf20d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080419
StatusPUBLIC

Content hashes

Canonical text7e1c6337763c8455fa6aea5e6afadbac2b6b1b6bf80aa2827b8c555b4f358c6b
Markdown88a494b2574631888ecfec446aa5b10cb91d4ea48b4ebba6b6fa40abe13f87ff
PDF
Publication pageb586d78f9502e57008f2874c26293e9da20148820a82fa5b8ab8902159a8e741
Manifest42f35b600c7fa77a2fb345ecc36ef1b0bb3cd2b984c3297622f12244a785ff2b

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
SignatureR47AonbZjiV3LcRCcOz/qZ5Ov+4+sfIW+h1fgb1JOcf53g7f7wG97clyspyqk24RVp0l+E+aSUwOTVGYPiFAAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:02:55.542303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080419
observed b586d78f9502e57008f2874c26293e9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:55.520981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080419/manifest.json
observed 42f35b600c7fa77a2fb345ecc36ef1b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:55.469953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080419/publication.md
observed 88a494b2574631888ecfec446aa5b10c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:55.448719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080419/publication.txt
observed 7e1c6337763c8455fa6aea5e6afadbac...
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.