OpenTechnical

OT-2026-000056607

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000056607) never changes.

Identity and time

Publication numberOT-2026-000056607 · never reused
Internal UUID01a0ae87-7af5-7c48-ac4e-bbf33bb5382a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056607
StatusPUBLIC

Content hashes

Canonical text0497dbe9f2f824a180d847c706015e12071ff9820c59b0427064a28665df7626
Markdown43adbf9595812d710c461219aaa0834b1f42037563a8d714631d494fb1c50062
PDF
Publication pageb6bb651059f844ddc3a12f52633af9e6fc9233386507eb322f128b34fb4a23b6
Manifestfcb62b8eb5f19775fe4cb64d1faee2600ca5e74fe6950cec659fb793a3bb5d6e

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
SignatureSiJVPMkT3Pc4He2yrZXWok6CYhxtjBvucPfDK4cqYJDry8Dy0uWm5mqwHecx7KgEhb28ykEZratXWoDG2boSBQ==
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

2026-09-17T10:49:57.479990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056607
observed b6bb651059f844ddc3a12f52633af9e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:57.460435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056607/manifest.json
observed fcb62b8eb5f19775fe4cb64d1faee260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:57.440734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056607/publication.md
observed 43adbf9595812d710c461219aaa0834b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:57.421357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056607/publication.txt
observed 0497dbe9f2f824a180d847c706015e12...
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.