OpenTechnical

OT-2026-000057987

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000057987) never changes.

Identity and time

Publication numberOT-2026-000057987 · never reused
Internal UUID01a0ae88-6ed9-7344-ab75-8321e71e59d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057987
StatusPUBLIC

Content hashes

Canonical texteec44221ad64589675d52d137edf5bef56dc3690ec055ae0f47960d65615c4c9
Markdowna7662a4ae59c5ea7c06536de82ba16302dd227bc8a3363fdf4bf8e8543416550
PDF
Publication pagefc841ae99dd4bc98a8ce7716db8e42eeae27d0be042eed6abb19860bd32ee55d
Manifestab5e1a98f35c264aa3f8140fd43b73d045fea00bd2d09dc0668cdb0c58644b79

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
SignaturewUohN3Yxqs65ntEsz0cmIrcab143o5HoJv/Iex8TvLhKVOaX+JAyaei7erqSK17v49rZWGYnG2qPqBN8etxBBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:36.925756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057987
observed fc841ae99dd4bc98a8ce7716db8e42ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:36.907576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057987/manifest.json
observed ab5e1a98f35c264aa3f8140fd43b73d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:36.888816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057987/publication.md
observed a7662a4ae59c5ea7c06536de82ba1630...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:36.870971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057987/publication.txt
observed eec44221ad64589675d52d137edf5bef...
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.