OpenTechnical

OT-2026-000080157

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single stage ejector, sustained blow-off before set-down

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-2026-000080157) never changes.

Identity and time

Publication numberOT-2026-000080157 · never reused
Internal UUID01a0ae96-4378-7eff-bfb9-6e1300cf2fbb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080157
StatusPUBLIC

Content hashes

Canonical text35a576ad2de51b74ab8158fa661058313a7e25322f26d17d4312b026aaad69b0
Markdown458a1bb31ecc761a3841ebe889926b6d72df440984efdd0e834319fb9e649025
PDF
Publication page7f870d1a6166a4dc2e5bcf359df9e14ed44a96b052e93762f952a4a38af64aa1
Manifest5233e464a01fa7831937a28d0a4a55877fa0814f048a6b3c14ceaefeecbb9f02

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
Signaturej/D4XeY/IFYZedNxCjodJyJ3T/vZJ3eE9Grj1R2Wjl/+MIX8v/x3uVTN3ZhW3/pzuSJyDL1G27pF4sDVK6LEDA==
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

2026-09-17T10:04:06.895863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080157
observed 7f870d1a6166a4dc2e5bcf359df9e14e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:06.878189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080157/manifest.json
observed 5233e464a01fa7831937a28d0a4a5587...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:06.858027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080157/publication.md
observed 458a1bb31ecc761a3841ebe889926b6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:06.838028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080157/publication.txt
observed 35a576ad2de51b74ab8158fa66105831...
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.