OpenTechnical

OT-2026-000070819

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, single stage ejector, supply line pressure sensor, pulsed 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-2026-000070819) never changes.

Identity and time

Publication numberOT-2026-000070819 · never reused
Internal UUID01a0ae91-8c2d-7d54-8b47-f681a20de2be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070819
StatusPUBLIC

Content hashes

Canonical texta2f662160e14e2ec296caf9c3a933dcb593ac1e24cd6bcaa8e3bfe2d08e1aafc
Markdown5fb3fcc2e85641ee5dbc5b5a9c4a40619c1e70e7e7fbc9ee3761c05b62e0f468
PDF
Publication pagedb643a94bff7689901a19d6cd076d27287d098f62cbb3522a189c372ee3ea1fa
Manifestada01d8e0d249e8c557beb63684fb3fefa90b9e72a2275e46d315289e599b715

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
SignatureU8ahdHwMNiZjQnxWc+J3raMEFVGA79D4h0cEE7aCjdc3WI9m1qZM4iGcPD2SgY079Wk+neqiKyYDTURM+VAeAw==
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

2026-09-17T12:43:08.442372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070819
observed db643a94bff7689901a19d6cd076d272...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:43:08.167764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070819/manifest.json
observed ada01d8e0d249e8c557beb63684fb3fe...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:43:08.020573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070819/publication.md
observed 5fb3fcc2e85641ee5dbc5b5a9c4a4061...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:43:07.860165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070819/publication.txt
observed a2f662160e14e2ec296caf9c3a933dcb...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:25:37.765822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070819
observed db643a94bff7689901a19d6cd076d272...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:37.749129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070819/manifest.json
observed ada01d8e0d249e8c557beb63684fb3fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:37.733475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070819/publication.md
observed 5fb3fcc2e85641ee5dbc5b5a9c4a4061...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:37.715897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070819/publication.txt
observed a2f662160e14e2ec296caf9c3a933dcb...
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.