OpenTechnical

OT-2026-000080155

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, single 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-2026-000080155) never changes.

Identity and time

Publication numberOT-2026-000080155 · never reused
Internal UUID01a0ae96-4378-79dc-95e5-d7444e6fd7c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080155
StatusPUBLIC

Content hashes

Canonical texte6feb612e9afa5c5fb761b5089ac80433da3408ecc2c110aeb3b851beddb06f9
Markdown1fb47fed21e7adae4784808ed756d62bdddbf109a4ad5b41b8da5a9ba42b9ef3
PDF
Publication page5191052651fb13a992008c440360873d9aa7530d03acb13ee1b74e7e6bdcc0b4
Manifest22df8ac50f073e2503b6bce6adc872eadc7f20e613f31d2ad9d1c5ccdc6ff354

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
SignatureRddq5wc6lEeQwpvM853Ko3mtkc1qwg7e4HNZFr04UWtp5YMBmclQ3JVPKjNvCh9EJ5XmMoQjsPgg4tlFAb3tDw==
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

2026-09-17T10:04:06.746934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080155
observed 5191052651fb13a992008c440360873d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:06.730437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080155/manifest.json
observed 22df8ac50f073e2503b6bce6adc872ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:06.713334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080155/publication.md
observed 1fb47fed21e7adae4784808ed756d62b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:06.696898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080155/publication.txt
observed e6feb612e9afa5c5fb761b5089ac8043...
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.