OpenTechnical

OT-2026-000102865

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000102865) never changes.

Identity and time

Publication numberOT-2026-000102865 · never reused
Internal UUID01a0aea4-be3c-7040-b60d-26d2287cabb6 · 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-2026-000102865
StatusPUBLIC

Content hashes

Canonical text5b8b47254c20ad5ab3eab98559c213ce1723c961dcd3cd13823c6c6771a08b41
Markdown6e5e18ae8f198bf122cfc4dc0f8c2d56997d678db5bc220a39fe1cbd1eb750e0
PDF
Publication page4c1b5bcf61e818820e4f60b1f2bbfe21d632b72aba2ffc01737e5f0606060bcc
Manifestf024e8b8a338b649bc9892c3bc7d5daa73d5d43718559b9210ece64edb3c9bc5

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
SignaturewYw6XDOsfyauUT4yBKCa6M/2Qy0cBd3Re1fV7v4ikQgffwZ7vQlMSxCJDsjk7v+TXX5Cb8v63tPo2+70ZSexDw==
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

2026-09-17T09:22:52.345395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102865
observed 4c1b5bcf61e818820e4f60b1f2bbfe21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:52.331331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102865/manifest.json
observed f024e8b8a338b649bc9892c3bc7d5daa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:52.315917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102865/publication.md
observed 6e5e18ae8f198bf122cfc4dc0f8c2d56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:52.299924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102865/publication.txt
observed 5b8b47254c20ad5ab3eab98559c213ce...
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.