OpenTechnical

OT-2026-000089389

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000089389) never changes.

Identity and time

Publication numberOT-2026-000089389 · never reused
Internal UUID01a0ae9b-db01-7401-bef8-871185120ab2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089389
StatusPUBLIC

Content hashes

Canonical textae00f053aa20bbd16097feeeaab548c256e864ad8f74f69c7a74ba8a1a6920f4
Markdown72c9ce8247ebb5e0ef31aff6773aa55821369df7f79d99cdfdc702fdc7539d4d
PDF
Publication pagea6ec2dcef7c0d5af7dad880a798d91be62d20f0adb5072e48078a9836e0f07e0
Manifestd6e062a6cda1f37c8cfb65ac89ef9d641a69476e0e94d43cea53a9638c0dec23

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
SignatureUibr7vaIOHBGrrpJMAy1fs7D/OCu12dRUzJn4mK6juGJc7tNfcpLRGMWhTrK/RrOS/OppnimyQl5t57YXKS7AA==
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

2026-09-17T09:47:31.696396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089389
observed a6ec2dcef7c0d5af7dad880a798d91be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:31.677579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089389/manifest.json
observed d6e062a6cda1f37c8cfb65ac89ef9d64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:31.659575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089389/publication.md
observed 72c9ce8247ebb5e0ef31aff6773aa558...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:31.642073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089389/publication.txt
observed ae00f053aa20bbd16097feeeaab548c2...
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.