OpenTechnical

OT-2026-000053512

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000053512) never changes.

Identity and time

Publication numberOT-2026-000053512 · never reused
Internal UUID01a0ae85-0a92-7788-96ac-378775e89515 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053512
StatusPUBLIC

Content hashes

Canonical text703b011c0dc63916913516ef7c9d9fb8b6a65b12a1b646e7d8b09956478c90e3
Markdownd7bcf4a4a989bbf5916506f3e27d4cfe95417e98a925cd02afc91bc3492aa586
PDF
Publication page8839c01a39b95838d75b86b1586712da80d6615eafd99dbb12805581540ec7a8
Manifest8c3d5b45c48a131b5530ccaf30457cc4608a9b68a7d65228e95e57324fe5fd51

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
Signaturenrtbvx5AAl0XWXkRHiaUxXJQwk8U2bn2V135vkcTGdrD2qGZf/rmdtSbmI0D9gG7qvJA8eQ/+mAnBPa4WMOUDQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:21.485790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053512
observed 8839c01a39b95838d75b86b1586712da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:21.465892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053512/manifest.json
observed 8c3d5b45c48a131b5530ccaf30457cc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:21.431011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053512/publication.md
observed d7bcf4a4a989bbf5916506f3e27d4cfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:21.397481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053512/publication.txt
observed 703b011c0dc63916913516ef7c9d9fb8...
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.