OpenTechnical

OT-2026-000073297

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000073297) never changes.

Identity and time

Publication numberOT-2026-000073297 · never reused
Internal UUID01a0ae92-efb7-769a-9382-060428523564 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073297
StatusPUBLIC

Content hashes

Canonical text7872f4a1b1f255726f45fb46a5e861fe8b3e3db905e2551bd9188e8114e3bc48
Markdown75edd6842e6da1d8ef6c507837719e8c1b29af643844821902bbbd95ca77be93
PDF
Publication page742aad5e3cae7d368040224b707663fde260a2a3e9165ee750fc3e818599f055
Manifestd9eb809b0b088aa4a2ee347b4cbe8762396c8e05caefef511a68775ec19c1226

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
SignaturekLlX82zycNSPEltSTW+BZpxtT51ZLB010kcvwkL1IfEiNcQUY3hrQ6AsmSCIESHUnjRcEQtCkrYBBC6cvEX6Dg==
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

2026-09-17T10:21:18.434621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073297
observed 742aad5e3cae7d368040224b707663fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:18.413242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073297/manifest.json
observed d9eb809b0b088aa4a2ee347b4cbe8762...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:18.392152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073297/publication.md
observed 75edd6842e6da1d8ef6c507837719e8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:18.373785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073297/publication.txt
observed 7872f4a1b1f255726f45fb46a5e861fe...
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.