OpenTechnical

OT-2026-000073962

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, vented 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-2026-000073962) never changes.

Identity and time

Publication numberOT-2026-000073962 · never reused
Internal UUID01a0ae93-2b8e-78c4-8bb7-e244debfa830 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073962
StatusPUBLIC

Content hashes

Canonical text6b59d9f9900ee3ee46fabc4da01b973acea0816ee0a11333ff71c5dbf0065490
Markdown69191b3f49a82334095f9fe668b707b8786a36f485df2007364d3f199a5d58e9
PDF
Publication page0ee53dfc196c128f7602a85fdc8e370c79aee350a67c0275bff3d603be8aa480
Manifest7221e265363e798409a6ae46f548d48011c35c09e1ec39c880cf20a818a65ce4

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
Signatured4nPtm5sXXRGM1MYXalfFI2ZgaCDKAi0uD4p4IHw1z7f/PzsgAVU2IxFTzYWqF5VaOwW3X4oVkO5BNeaV1i7BQ==
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

2026-09-17T10:20:15.286981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073962
observed 0ee53dfc196c128f7602a85fdc8e370c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:15.264843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073962/manifest.json
observed 7221e265363e798409a6ae46f548d480...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:15.244282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073962/publication.md
observed 69191b3f49a82334095f9fe668b707b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:15.224249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073962/publication.txt
observed 6b59d9f9900ee3ee46fabc4da01b973a...
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.