OpenTechnical

OT-2026-000087532

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, sustained 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-2026-000087532) never changes.

Identity and time

Publication numberOT-2026-000087532 · never reused
Internal UUID01a0ae9a-cd51-72aa-89e5-3306719aae4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087532
StatusPUBLIC

Content hashes

Canonical text4265a16316914f714e1c3f4d6e8efc2afb23281fed5546f0108f24d20244766a
Markdownb918ff031ab184fe0afba3b9bd23c9ebbd81871f9a6b96c1898e528a06b1431e
PDF
Publication pageab895b4b82b480a6a698f9463dd34f2eb163dff3a4b745dd13b6739575d67244
Manifest66585d0e1cbb9b58ed16ea281782d7381ab1ed45150d028caf5feefd2740cb5d

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
SignatureeftHrMu2THcclvWUACEtAW3NtpP5mtUcvcfxT8qzXyjB0/T8sRZsO0FQYVJkZmrqjp9sUmqGaJ5nuhG6giWyAg==
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

2026-09-17T09:50:52.238055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087532
observed ab895b4b82b480a6a698f9463dd34f2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:52.219452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087532/manifest.json
observed 66585d0e1cbb9b58ed16ea281782d738...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:52.201228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087532/publication.md
observed b918ff031ab184fe0afba3b9bd23c9eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:52.183190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087532/publication.txt
observed 4265a16316914f714e1c3f4d6e8efc2a...
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.