OpenTechnical

OT-2026-000057532

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, sustained blow-off after 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-2026-000057532) never changes.

Identity and time

Publication numberOT-2026-000057532 · never reused
Internal UUID01a0ae88-2693-704c-b2df-137a6e037b00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057532
StatusPUBLIC

Content hashes

Canonical textf3e456d2f283f0643f4c4f1a169af57ad4a5a5a33748f9fa6fa24a72dcd049b1
Markdown1b06afd8cda2cdb033b7e2b8cc357691ad2dc2f579c13b407a01149654c19df0
PDF
Publication pageeb53c89c04e31fb6b4e9903c50e62cf258e48a3870920c5382fa787ab7729cdb
Manifest319c07d5d554e9dd373b9a104e0631660021ec1c0dc47dc35dbbe0bccefe7dcf

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
SignaturelqNQukLFRa2LQWF4A1xNAwgHdF6U9hjwzSh5iNPzT8kOduNQNN1ogGEDtGyaQ7fuTYSG1XoJJwxijc1DI3ItCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:48:04.130576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057532
observed eb53c89c04e31fb6b4e9903c50e62cf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:04.114175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057532/manifest.json
observed 319c07d5d554e9dd373b9a104e063166...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:04.096652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057532/publication.md
observed 1b06afd8cda2cdb033b7e2b8cc357691...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:04.079156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057532/publication.txt
observed f3e456d2f283f0643f4c4f1a169af57a...
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.