OpenTechnical

OT-2026-000100788

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000100788) never changes.

Identity and time

Publication numberOT-2026-000100788 · never reused
Internal UUID01a0aea3-66f5-724e-89d7-5d06af37a05d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100788
StatusPUBLIC

Content hashes

Canonical text191c5dabfe4b5eeddc8693242af29e7071017af8ae89d1cac3958f5ef214962a
Markdown5bfce0503d0a97655eb3ddcb7d03608466f214d91dee8f065ab9160b6c77bd7b
PDF
Publication page0bbb31c87b6e355aac93546bbbe721a096696d45fb5caf9f2a491de06ff693bf
Manifestef4c987524322709458051b1b0e2d2b4402dc652ba2d4e88c7af1780c7743b5c

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
SignatureabCB0CG54lT9jtVVj23FtoaI/bAl/4ZsDdl2/2bWjjmLYdtYbXm4EzO11Dhf4f5tpn+zf3SMlnDa9gSis0rwAQ==
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

2026-09-17T09:27:41.933967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100788
observed 0bbb31c87b6e355aac93546bbbe721a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:41.910870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100788/manifest.json
observed ef4c987524322709458051b1b0e2d2b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:41.888353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100788/publication.md
observed 5bfce0503d0a97655eb3ddcb7d036084...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:41.863741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100788/publication.txt
observed 191c5dabfe4b5eeddc8693242af29e70...
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.