OpenTechnical

OT-2026-000048642

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000048642) never changes.

Identity and time

Publication numberOT-2026-000048642 · never reused
Internal UUID01a0ae80-c32a-7abd-9082-83cfda3d94ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048642
StatusPUBLIC

Content hashes

Canonical text3ef4517e6d00609cf6f50b218d71889dc60b89673abb6564128d9842fcd4e3a5
Markdownaa9c871772847b7f5e74efcfc09d90b3a513b640c8578f65270b3bfaa5738596
PDF
Publication pageb0e0123dca67283b75368fb0cf063b26916392e22bf34d95f8ac6d1b61ffa27d
Manifest2dbcb9543d7a25b3d5a45499bf2454ce4c0a729ca7d2ab299e1360a600384a35

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
SignaturelMDnPr9EJUDXyUJq59qIfSRwq/qOc8XQi8OiNLlTlcJtQg8q5WC6s/PW6s3NKJcuYyNOJerL602/Sc/P+WR0Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:04:15.136729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048642
observed b0e0123dca67283b75368fb0cf063b26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:15.117546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048642/manifest.json
observed 2dbcb9543d7a25b3d5a45499bf2454ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:15.096186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048642/publication.md
observed aa9c871772847b7f5e74efcfc09d90b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:15.073865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048642/publication.txt
observed 3ef4517e6d00609cf6f50b218d71889d...
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.