OpenTechnical

OT-2026-000055826

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump 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-2026-000055826) never changes.

Identity and time

Publication numberOT-2026-000055826 · never reused
Internal UUID01a0ae87-0a49-7b7e-8057-3c3e71dd352d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055826
StatusPUBLIC

Content hashes

Canonical text35dd0789ffc346b5c16ef2253bbe023ed1310c9436d98486d25d5782c78aab3f
Markdownbad81a5415b18803cf95bd5786b9dbc790b7399d8617564a2c55e14843a7b814
PDF
Publication paged29770b14a614d3a73ca85c5ce6ceca76ba2c429ff25094afc2d8226f431c9f3
Manifest51677018968e781522e5aac4b6ca290f0b54832cee27b93e7e7765a6402378ce

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
Signature6w/nDO/SjfD5JKD8aBfjbPB6JjNkhDYuXbYB5USQ21xfJE/BwLR3I6I8nHRXC7ZFkKgQ0dJ9KtnJQRAAmAnqAg==
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

2026-09-17T10:51:12.491310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055826
observed d29770b14a614d3a73ca85c5ce6ceca7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:12.471972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055826/manifest.json
observed 51677018968e781522e5aac4b6ca290f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:12.453478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055826/publication.md
observed bad81a5415b18803cf95bd5786b9dbc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:12.436375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055826/publication.txt
observed 35dd0789ffc346b5c16ef2253bbe023e...
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.