OpenTechnical

OT-2026-000052547

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two stage ejector, supply line pressure sensor, pulsed 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-2026-000052547) never changes.

Identity and time

Publication numberOT-2026-000052547 · never reused
Internal UUID01a0ae84-573b-7442-8cea-b1d66be35609 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052547
StatusPUBLIC

Content hashes

Canonical text0c35aa0b0a7c94a722338aee9acb7b7e87ab59855cb5cf5b5f08a46ef6324081
Markdown2204d86894518cf422548d21a95709940900e7b64890904d029b9a809e9f8982
PDF
Publication page5dac355bb469b1670b4ac95978de142ef6b34f2c6c756282a413070fcf00f33c
Manifest0de902b33dc776b4681edea7681d509fa4ca18b1265a0dcad3b6ccce6469587d

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
Signature3HwcikWY1BCxWb6ZPXbV2N182FdLFMZKh89shUsE9OcWoxe0zOuLYySRpo8h22XfHGmhd7Op0HsGunvUDNFRDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:41:28.832371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052547
observed 5dac355bb469b1670b4ac95978de142e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:28.377970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052547/manifest.json
observed 0de902b33dc776b4681edea7681d509f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:28.219459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052547/publication.md
observed 2204d86894518cf422548d21a9570994...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:27.960758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052547/publication.txt
observed 0c35aa0b0a7c94a722338aee9acb7b7e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:57:12.018451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052547
observed 5dac355bb469b1670b4ac95978de142e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:12.001938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052547/manifest.json
observed 0de902b33dc776b4681edea7681d509f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:11.983725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052547/publication.md
observed 2204d86894518cf422548d21a9570994...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:11.964733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052547/publication.txt
observed 0c35aa0b0a7c94a722338aee9acb7b7e...
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.