OpenTechnical

OT-2026-000043036

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000043036) never changes.

Identity and time

Publication numberOT-2026-000043036 · never reused
Internal UUID01a0ae7b-3278-75de-a8dd-e88604330789 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043036
StatusPUBLIC

Content hashes

Canonical text465c84fba24574dad6086eb914f209eab3e15b7793bf0a28b0154d27147e56be
Markdown548edc0ba8f16fbb83bd0671f68d5675faf1bf4fec3cd58396f8eff9c67a8a12
PDF
Publication page260ef63f1d8b79196c9c4c728e9fdc85c08cf057add06fc25f6646b804bbf2e1
Manifestacd5d21c0060c80e89fc2accaf219500734d202aef120d2a1a1eb452fe2bc8e2

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
SignatureXrU7tIAljzWpAfJXuPpIaCzny4VvxOeeNjxtX7/4Xmmw5oqJ6oyd9/UfR/zI21Gc/iSbPmt6Mu1koiDwumejBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:26.183058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043036
observed 260ef63f1d8b79196c9c4c728e9fdc85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:26.161514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043036/manifest.json
observed acd5d21c0060c80e89fc2accaf219500...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:26.139404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043036/publication.md
observed 548edc0ba8f16fbb83bd0671f68d5675...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:26.116087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043036/publication.txt
observed 465c84fba24574dad6086eb914f209ea...
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.