OpenTechnical

OT-2026-000100259

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000100259) never changes.

Identity and time

Publication numberOT-2026-000100259 · never reused
Internal UUID01a0aea3-3053-735b-b3dc-223392715850 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100259
StatusPUBLIC

Content hashes

Canonical text1fcc8292630915bccb2cfd19926b60108f6eeabb966715d78b122c22a827de21
Markdown87fd6e7ccdf3591c69fa671cb0c2004b1b1470502fe80c879e97b0a2542aa4e6
PDF
Publication page3dee19e714b8024eb8f74aa54ff6dc7ef38f58fdaa1b77d5101a99be2203d830
Manifestdb7e9e5726e0f0dd3395adc31b6e1a15fb07386d61b9e72c3b1b2e6b911aae11

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
SignatureeEbEvs1kLuVZajwZxKUzMibHFgARJc3XHfujD73xI+4dq73ts9mzJ+d3mWMV8Gf6oBkswIR5J3tbT1hCsdaUAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:03.837796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100259
observed 3dee19e714b8024eb8f74aa54ff6dc7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:03.821889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100259/manifest.json
observed db7e9e5726e0f0dd3395adc31b6e1a15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:03.805359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100259/publication.md
observed 87fd6e7ccdf3591c69fa671cb0c2004b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:03.786309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100259/publication.txt
observed 1fcc8292630915bccb2cfd19926b6010...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:33.507099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100259
observed 3dee19e714b8024eb8f74aa54ff6dc7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:33.489581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100259/manifest.json
observed db7e9e5726e0f0dd3395adc31b6e1a15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:33.469144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100259/publication.md
observed 87fd6e7ccdf3591c69fa671cb0c2004b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:33.450617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100259/publication.txt
observed 1fcc8292630915bccb2cfd19926b6010...
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.