OpenTechnical

OT-2026-000088753

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000088753) never changes.

Identity and time

Publication numberOT-2026-000088753 · never reused
Internal UUID01a0ae9b-8f10-7c3b-8c06-03a7ef335e32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088753
StatusPUBLIC

Content hashes

Canonical textf1585cd734b895740e3e175c4d9908506394bfd83f312ad6fa43f92b2ced2c7a
Markdowne76f38f9c66d7a4d7be0c06b01cdf242d6e68fe2b596d7f077a8dee4b0a81aef
PDF
Publication page25e20b6bc2f3639a688719aeadf04bdc17793ac56388c69aa4f129cfafd41cf0
Manifestb6ce53716f28a74e1e0e997d471c2ee82466400f2d4d78351f36fb87e0e26bc5

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
Signaturev1K0gMgeQMBpdJaCEpt3XkgJgYtD/z4FdGSdfn8rLnxtl2dE1TM2VkkJ6RqRCZ8l/0C8EFWAPuBrFtbRU5+nBA==
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

2026-09-17T09:48:00.176943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088753
observed 25e20b6bc2f3639a688719aeadf04bdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:00.156586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088753/manifest.json
observed b6ce53716f28a74e1e0e997d471c2ee8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:00.139179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088753/publication.md
observed e76f38f9c66d7a4d7be0c06b01cdf242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:00.121463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088753/publication.txt
observed f1585cd734b895740e3e175c4d990850...
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.