OpenTechnical

OT-2026-000061100

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000061100) never changes.

Identity and time

Publication numberOT-2026-000061100 · never reused
Internal UUID01a0ae8b-137e-7718-93d9-31b3873a2d78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061100
StatusPUBLIC

Content hashes

Canonical text16c1b78f6af3045a545078e0074191d99deb6bc4fd56d21275c5c43a7fcaef4c
Markdown06b5bf2d07b1a83a565f61c89f341465cc257b63e9cbac6d9f28277e6c43ee22
PDF
Publication pageb53148e5a6b9b5fe6226fc1b088a7604bdb654082cd0c5943bc3fca022946ed6
Manifestf2909210a5cd48b16b2c36d1f684dff0d5367b06e1ff4f474bbc97b9e32bcc11

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
SignatureM2in58m8EUSCGGRFFVby1tCULZ9QpSsT8kDOXUAQHVGl6fgpCy34rxFmf1XwS6KmoNY77D1/jnxNmjkLZB/SBw==
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

2026-09-17T10:42:28.131046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061100
observed b53148e5a6b9b5fe6226fc1b088a7604...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:28.112486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061100/manifest.json
observed f2909210a5cd48b16b2c36d1f684dff0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:28.094210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061100/publication.md
observed 06b5bf2d07b1a83a565f61c89f341465...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:28.076358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061100/publication.txt
observed 16c1b78f6af3045a545078e0074191d9...
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.