OpenTechnical

OT-2026-000053701

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000053701) never changes.

Identity and time

Publication numberOT-2026-000053701 · never reused
Internal UUID01a0ae85-735c-7008-8d9c-f4d17787ce7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053701
StatusPUBLIC

Content hashes

Canonical text8eff0df79f58aaaef88c0e4f72d9aebb9c640985e21f6bd8bbabce5bdbd0c231
Markdowncae9334a96c32de04fb1416732267682851c323d6b6f573c9a2a5eda50254808
PDF
Publication pageee1e2a7b2e4259f479ff31ef18d4d290b00971d7362f57c0327e369bc3d71984
Manifest80aab233b9bfb5ce3571b8a56eec4bac0e7eae3f47d1a4107f0a93105dcbf386

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
Signature4rqD1vARcxokKOe2PGFh4ahaCo4kVyFiepKw14h/+rxr239zS8ETZ1b/9blfI+iJIGbkL3m7Molg0Y48BDl6AA==
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

2026-09-17T08:40:04.814707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053701
observed ee1e2a7b2e4259f479ff31ef18d4d290...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:04.789282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053701/manifest.json
observed 80aab233b9bfb5ce3571b8a56eec4bac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:04.768604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053701/publication.md
observed cae9334a96c32de04fb1416732267682...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:04.747769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053701/publication.txt
observed 8eff0df79f58aaaef88c0e4f72d9aebb...
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.