OpenTechnical

OT-2026-000070393

Publication integrity record

Foam pad vacuum gripper, four zone face, single 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-2026-000070393) never changes.

Identity and time

Publication numberOT-2026-000070393 · never reused
Internal UUID01a0ae91-545f-7d85-bf6f-2eff0b113703 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070393
StatusPUBLIC

Content hashes

Canonical text215850f5360b069d25af10c6cf166dd2d10fd6be2647d8834d546796f30100bf
Markdownd14616230b3dfc4d8528ac088f91fd9d997dd578a128e9961c3f279d34b9129d
PDF
Publication pagec18ef7d32ea0426861b33cdeeeefdd459683f8dbc77fca31104e5cb93a4caea8
Manifest3e1122e75eb751256c599e3dce2c5ac7d48254bf21ecaac272e1a0f85c39b2b2

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
SignatureiRI8d3ZMVpks4fI7QxfEdKOlMbXWkzi8KbLDIiXI4WDkGlASaLLhEwwhXFUifra75mp5Td9jhFHVIZFDgGXJCw==
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

2026-09-17T10:26:11.944919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070393
observed c18ef7d32ea0426861b33cdeeeefdd45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:11.927956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070393/manifest.json
observed 3e1122e75eb751256c599e3dce2c5ac7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:11.909896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070393/publication.md
observed d14616230b3dfc4d8528ac088f91fd9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:11.891289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070393/publication.txt
observed 215850f5360b069d25af10c6cf166dd2...
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.