OpenTechnical

OT-2026-000081083

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, sustained 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-2026-000081083) never changes.

Identity and time

Publication numberOT-2026-000081083 · never reused
Internal UUID01a0ae96-b976-74b3-b3a0-4348037f1781 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081083
StatusPUBLIC

Content hashes

Canonical text60f8cafdf5170fe9f3af2f19b5113563339aa4c0b0dd33cec873c746de9f5856
Markdownf503c278c79c08eb00bac09e4cdbf442dfcc1d8e479ab1c334e330d2b3d2c86e
PDF
Publication page0c06b3e717e6587f1fdcbfe03253493f4fdbd7aa757b4531d18e224f432f2563
Manifest1da3f501b6c2df56e7eb12858ccfd302351e0c282e4849340df6b60c0bba0f5e

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
SignaturenVsO00ZH2d3rYGWaQt6RgSRqjIDDb9UeOQwxca9OH7dRVw5j4rcV8EHwnsOvIxeyhREIlHu541v7ltVj1eVECg==
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

2026-09-17T10:02:23.123835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081083
observed 0c06b3e717e6587f1fdcbfe03253493f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:23.106843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081083/manifest.json
observed 1da3f501b6c2df56e7eb12858ccfd302...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:23.089758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081083/publication.md
observed f503c278c79c08eb00bac09e4cdbf442...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:23.002931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081083/publication.txt
observed 60f8cafdf5170fe9f3af2f19b5113563...
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.