OpenTechnical

OT-2026-000008111

Publication integrity record

Foam pad vacuum gripper, two zone face, 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-2026-000008111) never changes.

Identity and time

Publication numberOT-2026-000008111 · never reused
Internal UUID01a0ae6a-908c-7187-9211-06b4a0e08387 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008111
StatusPUBLIC

Content hashes

Canonical text516fb94f6e76443e0c89d1f076d40b13902c2f4f2ae2a0ca3c9c1960bd827519
Markdownca2985a9c491862dc7cfe5d2a9c89b2d72b6f66f009a0f9a3b0015929646b9c0
PDF
Publication page8b8299723cb019d649b464fa2c022f7eccdfaf46d704b0b3a9bca42e068b028b
Manifest37c20667bf9b45a863d812f514ba23966b0536718584bf9beb8105106bc1a0ea

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
SignatureNvvlQqMzSAJEy/ULI2uBf0zLQqFU5lVVuX04aEbhCeRS6NKc6tSORwd402fJnODKQnHq3dOfK9IHxgin37JHCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:25.661595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008111
observed 8b8299723cb019d649b464fa2c022f7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:25.642116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008111/manifest.json
observed 37c20667bf9b45a863d812f514ba2396...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:25.623369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008111/publication.md
observed ca2985a9c491862dc7cfe5d2a9c89b2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:25.600572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008111/publication.txt
observed 516fb94f6e76443e0c89d1f076d40b13...
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.