OpenTechnical

OT-2026-000102875

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, 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-2026-000102875) never changes.

Identity and time

Publication numberOT-2026-000102875 · never reused
Internal UUID01a0aea4-be3c-7e32-aad1-8e92b42af2bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102875
StatusPUBLIC

Content hashes

Canonical text56768035f2769f8f970a7eb234b4d6e6f5b567078bcba617c1200ec2ec055d94
Markdown3fd4a1c750155b4827bfd6743d8e576b29a1d7696f3e5fd881da9b0eadd1c979
PDF
Publication page0b1861f1d40530d8cfda184054410743136db75c3d853df224f2a37c42046d2d
Manifest83bf42460d41faa2e46441a4e00bba79537deeb57f75b065a36a671a85c9c7ae

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
SignatureCzqftz7k1Y+/c4mf7Oy0QC7tvKV3AhJZBitTp8jawIEwO/Pp0znWNFnahTuuqdzM9dg2x5dOEtcSJkbg5IWlBw==
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

2026-09-17T09:22:52.862847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102875
observed 0b1861f1d40530d8cfda184054410743...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:52.847529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102875/manifest.json
observed 83bf42460d41faa2e46441a4e00bba79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:52.831529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102875/publication.md
observed 3fd4a1c750155b4827bfd6743d8e576b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:52.815276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102875/publication.txt
observed 56768035f2769f8f970a7eb234b4d6e6...
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.