OpenTechnical

OT-2026-000080137

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, single stage ejector, 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-2026-000080137) never changes.

Identity and time

Publication numberOT-2026-000080137 · never reused
Internal UUID01a0ae96-4378-79a2-a632-56dc93edf73c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080137
StatusPUBLIC

Content hashes

Canonical text2660eb54ce067f26cebae0ae3d63b3dbe761a7a45710e5058dc481af055381af
Markdown6bd34b7b23434237962a1f3846e400d2065b00620d0ad0d9f9e8303cdc0e0f88
PDF
Publication pagedf68295e325ea9a87f6393262b4a52842e19dad989d04bb41a94075508cf2a79
Manifest2661a8b16e32243e01b6b1ff9615f4847cf5d0074419ee92ce6f103a6c3ae99a

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
SignatureIBbXZ1tDVKy/BssSDsjS2GX8UHSLDYtPpE2idjuqS3sPFNX0qORbwliY2P+smkPhCUIwQ8Wqj7TX6BJp7dCcDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:04:05.124507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080137
observed df68295e325ea9a87f6393262b4a5284...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:05.106133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080137/manifest.json
observed 2661a8b16e32243e01b6b1ff9615f484...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:05.085550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080137/publication.md
observed 6bd34b7b23434237962a1f3846e400d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:05.065459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080137/publication.txt
observed 2660eb54ce067f26cebae0ae3d63b3db...
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.