OpenTechnical

OT-2026-000097249

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single stage ejector, supply line pressure sensor, 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-2026-000097249) never changes.

Identity and time

Publication numberOT-2026-000097249 · never reused
Internal UUID01a0aea1-01ca-773d-89f0-f7a4af701d4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097249
StatusPUBLIC

Content hashes

Canonical text459718b739ca065f37af00058864ffba91fffdbcd0b7ab49556aec2c53dd2ac3
Markdown2bc707994245acef72a9d381b89b06035f0a788fc8c11c2fa2cc488b4eadc140
PDF
Publication pagea869a7cb0a74e9f4012d313aa6729822594436c23f7e4fc37b23a2e4cd6f76d7
Manifesteaebd080cbc1101ecfac20ab38839618c02516dd41d1b9f418b02a54bc8346a3

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
SignatureOKcEQHirDM4QnV32GqyxBTJf2ymFPAKG5Pao00N2qV0fAyHLPPu26YzCEP/V5cRYALM/QtwZ3HehbcPzQFnoBQ==
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

2026-09-17T09:33:30.134803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097249
observed a869a7cb0a74e9f4012d313aa6729822...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:30.117625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097249/manifest.json
observed eaebd080cbc1101ecfac20ab38839618...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:30.099924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097249/publication.md
observed 2bc707994245acef72a9d381b89b0603...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:30.080808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097249/publication.txt
observed 459718b739ca065f37af00058864ffba...
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.