OpenTechnical

OT-2026-000007662

Publication integrity record

Single cup vacuum gripper, pump fed, 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-2026-000007662) never changes.

Identity and time

Publication numberOT-2026-000007662 · never reused
Internal UUID01a0ae62-76bd-7720-9977-2dedb056b4a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007662
StatusPUBLIC

Content hashes

Canonical text626467581dcc8a8c475dcc1d7175312863542be244bf1ce8668835fac0fac42b
Markdown1ca43d916470eb06dd4fbf8bfad9340a7786b7e36604a1fbafa9739255924c81
PDF
Publication page9ba6f58bc2a826f85734e5036def8088d2d3ebf1ccf04cd02a654fdb66df90ba
Manifest32454172968d370832a00593112463bdc07f9e72ce845b34ebbbb4f52d05fe4b

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
SignatureU0399v3ViRPCFPH32hNr4oxRxzOS1IJpfAduGg41UCV6EDCOHq0QNESFZkxac5+FiOtFowb8x+EQYE3+eDizDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-25T04:23:08.602694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007662
observed 9ba6f58bc2a826f85734e5036def8088...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-25T04:23:08.587264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007662/manifest.json
observed 32454172968d370832a00593112463bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-25T04:23:08.568981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007662/publication.md
observed 1ca43d916470eb06dd4fbf8bfad9340a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-25T04:23:08.503739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007662/publication.txt
observed 626467581dcc8a8c475dcc1d71753128...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-24T08:41:46.371884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007662
observed 9ba6f58bc2a826f85734e5036def8088...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-24T08:41:46.304394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007662/manifest.json
observed 32454172968d370832a00593112463bd...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-24T08:41:46.221537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007662/publication.md
observed 1ca43d916470eb06dd4fbf8bfad9340a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-24T08:41:46.134112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007662/publication.txt
observed 626467581dcc8a8c475dcc1d71753128...
fetched by grabo-systems from 34.44.131.203, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent