OpenTechnical

OT-2026-000027294

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000027294) never changes.

Identity and time

Publication numberOT-2026-000027294 · never reused
Internal UUID01a0ae72-6996-7170-b754-3b800d2f98e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027294
StatusPUBLIC

Content hashes

Canonical texta277aa6c62cf48f8e2f82dfecd3ac162b908e0a588e719a54c9e73ea7c5ae944
Markdownd16b3467f8d6f752bc6ff02e9664523d52cc20cf8cadeecc84704b1d86e8af82
PDF
Publication page7a23a0a0c58f6b27a3801b0bbc24144d751b93a40f70e0af72009848867b513c
Manifesteb8ab94dda7195a955c8b7131f43edd562224c9bfdd1af259f1e073ac7ac0161

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
Signature5NcUud/qb2SSu8yxzhFQli2CWE5aP+WmBfPzRXx0cd0SfXn5pCVQkZdv+YSM8avd+BF32hd6XoQ4/ZMheccYAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T16:42:52.711438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027294
observed 7a23a0a0c58f6b27a3801b0bbc24144d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:52.499292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027294/manifest.json
observed eb8ab94dda7195a955c8b7131f43edd5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:52.312389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027294/publication.md
observed d16b3467f8d6f752bc6ff02e9664523d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:52.144519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027294/publication.txt
observed a277aa6c62cf48f8e2f82dfecd3ac162...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:42:40.993537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027294
observed 7a23a0a0c58f6b27a3801b0bbc24144d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:40.972642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027294/manifest.json
observed eb8ab94dda7195a955c8b7131f43edd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:40.954617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027294/publication.md
observed d16b3467f8d6f752bc6ff02e9664523d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:40.936515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027294/publication.txt
observed a277aa6c62cf48f8e2f82dfecd3ac162...
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.