OpenTechnical

OT-2026-000078571

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000078571) never changes.

Identity and time

Publication numberOT-2026-000078571 · never reused
Internal UUID01a0ae95-7c29-771c-ac61-955a0bc22f03 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078571
StatusPUBLIC

Content hashes

Canonical text8b2f26463979adb22cd24d45ab76c1f9f8af4b95444b4496d3c1d1ca9d66109b
Markdown419a920163cb75813f3393c1be4dbd9fd8cb4cc85629017606788f41687cf33e
PDF
Publication page2e460a3525202d6b27df01085cfaf3afa27837bad73dccbeca5075305f838846
Manifestef13068bbf11e557246723440ad6ee2531cfebdb9712ebd065d6cc1a553980d8

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
SignatureRBoBzL+Xh8i8nFKdQPu/4C03MLftY7PeUSoZBOIoHih/8zRRnifk7PnICauUDXRMJLd+X+fpSdBix3RSKlV3DA==
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

2026-09-17T10:06:35.743703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078571
observed 2e460a3525202d6b27df01085cfaf3af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:35.723702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078571/manifest.json
observed ef13068bbf11e557246723440ad6ee25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:35.704925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078571/publication.md
observed 419a920163cb75813f3393c1be4dbd9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:35.687091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078571/publication.txt
observed 8b2f26463979adb22cd24d45ab76c1f9...
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.