OpenTechnical

OT-2026-000054167

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, 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-2026-000054167) never changes.

Identity and time

Publication numberOT-2026-000054167 · never reused
Internal UUID01a0ae85-b3a8-7aff-9d4e-19ed5cde4fcf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054167
StatusPUBLIC

Content hashes

Canonical text0e0817418af20bccb468076b62b16e8cc854a659864f31ff89adc5c2bf980e34
Markdown3fa585772df13c1dfd19e4fc4a0833b352a6cd244e3b5329fca79d2c493a17f7
PDF
Publication pagecf7b9b2497b6622874c64537b8c7ea627ba6cc93007789818c7c0510004774ca
Manifesta72af9005d960721c900cd722c8f4fdcbf6eb53eefb95ba82f6569c2491a6547

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
SignatureQ3i3TLxQbKdbgC1xJdp0bonNQg0Juf5ScoudTOcPsRFwhqzpYYZaTKfyjUye6i6KN9UG8RgMhTNggcUuPy99DA==
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

2026-09-17T10:54:33.837586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054167
observed cf7b9b2497b6622874c64537b8c7ea62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:33.819333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054167/manifest.json
observed a72af9005d960721c900cd722c8f4fdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:33.795809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054167/publication.md
observed 3fa585772df13c1dfd19e4fc4a0833b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:33.773433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054167/publication.txt
observed 0e0817418af20bccb468076b62b16e8c...
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.