OpenTechnical

OT-2026-000100296

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two 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-2026-000100296) never changes.

Identity and time

Publication numberOT-2026-000100296 · never reused
Internal UUID01a0aea3-3053-74e0-9f73-d7fc55b31e7b · 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-2026-000100296
StatusPUBLIC

Content hashes

Canonical text544d8ec14328867896801f399fbb2dfa7da96381c9630a78e7308f353427bb54
Markdown1720cd1ff8ba3de861a34b54ce9c797f113c5e923ec78b0f94e1f658dbbcbbcc
PDF
Publication page218863a9c1f37bee7f41160e6fba4b0d610aa707e794eb111d894a8ec3b0a2be
Manifestd82c89032f5ff70c194f39f8ba8b25df09fac261f664906d2a0437726c242a6c

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
Signature7rj/uAVuzSX8CytojmEWVLjrL4MEtY0psAZFi6YznYOyfwXN1CYaVHSrawseLPTahzBP+5uCvhJWiWZicZ6BCQ==
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

2026-09-17T09:30:06.721616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100296
observed 218863a9c1f37bee7f41160e6fba4b0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:06.705793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100296/manifest.json
observed d82c89032f5ff70c194f39f8ba8b25df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:06.689573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100296/publication.md
observed 1720cd1ff8ba3de861a34b54ce9c797f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:06.673173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100296/publication.txt
observed 544d8ec14328867896801f399fbb2dfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:36.420142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100296
observed 218863a9c1f37bee7f41160e6fba4b0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:36.402386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100296/manifest.json
observed d82c89032f5ff70c194f39f8ba8b25df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:36.384458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100296/publication.md
observed 1720cd1ff8ba3de861a34b54ce9c797f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:36.366107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100296/publication.txt
observed 544d8ec14328867896801f399fbb2dfa...
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.