OpenTechnical

OT-2026-000077817

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000077817) never changes.

Identity and time

Publication numberOT-2026-000077817 · never reused
Internal UUID01a0ae95-2ed0-7bbd-81c1-0b99bef859d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077817
StatusPUBLIC

Content hashes

Canonical text18febcb8c6150f3ddfbc0625721829b3fbbd8b649bbd583fc1e61d3e9c38fc0f
Markdownd98f51841401af97afd59127b81113fd1e48a662bd770f23098c4187bd1eac75
PDF
Publication pageb65fdf179e2b6a9c4dbb1d7deb42764ea94cacbb20b1803a2598ceed9c500694
Manifest13ebb261a5233e0b23243ee79d4baabcab3cd80deb0eb6726602144a5ace32a6

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
SignatureV2xRcO4Bbm4i1A69N5m5X2n5aCd2pmpllh3RRz5FbhyUBEkxSvuNgLLkLgN3eniQ2KcjtXZSX3BkT9sOQ4lcDQ==
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

2026-09-17T10:07:24.615035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077817
observed b65fdf179e2b6a9c4dbb1d7deb42764e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:24.598071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077817/manifest.json
observed 13ebb261a5233e0b23243ee79d4baabc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:24.580097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077817/publication.md
observed d98f51841401af97afd59127b81113fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:24.562341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077817/publication.txt
observed 18febcb8c6150f3ddfbc0625721829b3...
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.