OpenTechnical

OT-2026-000101787

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, pulsed blow-off after 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-2026-000101787) never changes.

Identity and time

Publication numberOT-2026-000101787 · never reused
Internal UUID01a0aea4-0e17-77b2-bba0-90fc9024f732 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101787
StatusPUBLIC

Content hashes

Canonical text77ae1863ecf97a11e27e418ad7a33f61158a42fbda63233e85a263772db0eb01
Markdowna6a1243a49103afa534719d12c8ece95f904c2690b9d5a0d45e088c3889fbd4c
PDF
Publication pagebad0ddcc39f1ca94b0767ced5d98363fd1f188e24761377e43aa5b7fd508bd87
Manifest68f5f87c8d00d2e65818bdc468df6009394662e3c2b5d1ba67dc9ee4cf6c7d9a

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
SignatureAvSzINuhJ7ZrKiirU+6L1RPAUJ81qwBHSObfkqGAHU/fy6cq22yX5SXMUq6KnRTub5FlqMkWP8wUAUZrbNiBBg==
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

2026-09-17T09:26:17.060759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101787
observed bad0ddcc39f1ca94b0767ced5d98363f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:17.040744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101787/manifest.json
observed 68f5f87c8d00d2e65818bdc468df6009...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:17.022140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101787/publication.md
observed a6a1243a49103afa534719d12c8ece95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:17.003531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101787/publication.txt
observed 77ae1863ecf97a11e27e418ad7a33f61...
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.