OpenTechnical

OT-2026-000101640

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, pulsed 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-2026-000101640) never changes.

Identity and time

Publication numberOT-2026-000101640 · never reused
Internal UUID01a0aea4-0e16-7cd3-9f0c-2b030eb9630c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101640
StatusPUBLIC

Content hashes

Canonical texta906d220bbcfb6ca82d8308fd824710b24ebf929112a4c7ee0763dc3fc829dd2
Markdownf186339fdaed3b06f9a3f9d2851c8d1d99d78e9f6cc85181df2b40b36a22314d
PDF
Publication paged3b08f3838e9a956d3c85a06334590f966c9299acf77863184100ef8a6dc2018
Manifest7eeed5a2fbfd68732d4b8fd0349d4e5823f3fb3eea94911b5b9ccb70d9712b9b

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
Signature9e0RVixeAcOErtXWgh9vTze2RFoHX9tlbYz3vHoAUVROw9b5fPyud86EdxVtuNuT4kMCte3rNrHswGXF/aqrBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:46.274133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101640
observed d3b08f3838e9a956d3c85a06334590f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:46.254540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101640/manifest.json
observed 7eeed5a2fbfd68732d4b8fd0349d4e58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:46.235803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101640/publication.md
observed f186339fdaed3b06f9a3f9d2851c8d1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:46.216066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101640/publication.txt
observed a906d220bbcfb6ca82d8308fd824710b...
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.