OpenTechnical

OT-2026-000055454

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, manifold 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-2026-000055454) never changes.

Identity and time

Publication numberOT-2026-000055454 · never reused
Internal UUID01a0ae86-a102-7f7d-913b-9d1c66405d4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055454
StatusPUBLIC

Content hashes

Canonical texta74869405d5c01d4f4fe97e4d5c0c02cad6b650f6b8c365f759bc8125876355b
Markdown673e8cd7be53279fa55d51a1e2de8f7d34449feac12c04472f85121c660ff5a4
PDF
Publication page5fa691f0a41bd7532a928b3fdc10122b617692d3fc6dad14a27ba9c6b9806e78
Manifestade683b474ca09edcb99a52eadde496b3bc980cc5a360d8b1d5a25bdf95e9c68

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
SignatureYz3j1nQa23vGsv061OhwsHPVeHk9PJAy40MjL3C2cKq+jPbCQrqoFJ0QjXqa6exWYX46aoFsqrUpf+tFd6K6AA==
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

2026-09-17T10:52:06.552149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055454
observed 5fa691f0a41bd7532a928b3fdc10122b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:06.535251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055454/manifest.json
observed ade683b474ca09edcb99a52eadde496b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:06.517210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055454/publication.md
observed 673e8cd7be53279fa55d51a1e2de8f7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:06.498157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055454/publication.txt
observed a74869405d5c01d4f4fe97e4d5c0c02c...
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.