OpenTechnical

OT-2026-000014094

Publication integrity record

Foam pad vacuum gripper, pump fed, 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-2026-000014094) never changes.

Identity and time

Publication numberOT-2026-000014094 · never reused
Internal UUID01a0ae6d-8deb-7da2-9b3f-90b8c2bad0bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014094
StatusPUBLIC

Content hashes

Canonical text09d9e9d2b9a628dee505bbfb6c59e4049827ec145f8418bd84d5a0ed0de298d2
Markdown39c4aa11311340251c0c88f3332dd06b41af86dadbbcb8d8ff54d50562390560
PDF
Publication page1f0718a4f1523c2eae76fc61fa9cf905a96302a872c0cd643f0ef2033eecc275
Manifest121785f507c71b5c1b3f28159a99b5beadddfc5c3f7b4a8447b2ec514ff15786

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
SignatureehEj5HDUtsr+uBqwXUeTZ+Db6ZoP1mCW49Y0ZqgZwVNmkrLo4upMBNmeqmyePT4vzyFyMWSU209X9FlVGSMNBA==
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

2026-09-17T12:09:20.958359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014094
observed 1f0718a4f1523c2eae76fc61fa9cf905...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:20.937285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014094/manifest.json
observed 121785f507c71b5c1b3f28159a99b5be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:20.918042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014094/publication.md
observed 39c4aa11311340251c0c88f3332dd06b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:20.899247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014094/publication.txt
observed 09d9e9d2b9a628dee505bbfb6c59e404...
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.